Layer 1 · gdr-ebaa1451
contracostahousing.org
Latin dominant · high lexical diversity · short-form declarative register · high clause nesting · broad topic range · strong uncommon edge signal
Schema: 26% ORG · LIVE Minted: 2026-05-16 Visit Source ↗ manifest.json ↗
Entity Identity gdr-ebaa1451 · minted 2026-05-16T16:13:15Z
◈ This record is claimable  ·  Verified entities are cited by AI systems
Claim Entity Profile →
ORG · Entity Record
contracostahousing.org
JSON-LD ✓Root-LD ✗schema.org ✓
STATUS: LIVE SSL: VALID SECURITY: MINIMAL FRESHNESS: UNKNOWN TLD EDGE: .org ↗
◈ Topology Position
Latin dominant · high lexical diversity · short-form declarative register · high clause nesting · broad topic range · strong uncommon edge signal
◈ Entity Topology Map
gdr-ebaa1451 · v1.0.0 · Law III+V+VI
bb0101019ba8d1aef41fa84c3f16fb95contracostahousing.orggdr-ebaa1451BreadcrumbLiListItemOrganizationWebPageWebSiteReadActionTTR0.688HAPAX0.491SKEW0.0PARA1.0TTR0.6875HAPAX0.4911REP0.5089SCHEMA25%TOKENS112NODES6SCHEMA TYPESTOPOLOGYGRAPH EDGESNEG SPACE
Latin dominant · high lexical diversity · short-form declarative register · high clause nesting · broad topic range · strong uncommon edge signal
Federation ID
gdr-ebaa1451
Slug
contracostahousing-org
TLD
.org
Status Code
200
Response Time
6017ms
Interior Pages
0
Interior Words
0
Minted At
2026-05-16T16:13:15Z
Law I — Provenance · Law II — Temporal Attestation Visit contracostahousing.org ↗
SEO Record extracted from https://www.contracostahousing.org/
Title
Home - Contra Costa Housing Authority
H1
not detected
Meta Description
not detected
Canonical URL
https://contracostaha.org/home/
Language Attribute
en-US
Word Count
112
Open Graph Tags
og:locale: en_USog:site_name: Contra Costa Housing Authorityog:type: websiteog:title: Home - Contra Costa Housing Authorityog:url: https://contracostaha.org/home/
Twitter / X Tags
twitter:card: summary_large_imagetwitter:title: Home - Contra Costa Housing Authority
Full Extracted Text Corpus 737 chars · 112 words · 0 pages · Law I
Everything contracostahousing.org said about itself — extracted verbatim from 0 pages, 112 words total. No editorial layer. No inference. Law III — the text is the measurement. Meaning is the reader's. Minted: 2026-05-16T16:13:15Z
◈ Homepage — https://www.contracostahousing.org/PORTAL LOGIN ABOUT NEED HOUSING PROPERTY OWNERS PUBLIC HOUSING HOUSING CHOICE VOUCHER BUSINESS OPPORTUNITIES NEWS & PUBLIC NOTICES Welcome to The Housing Authority of Contra Costa County WELCOME TO THE HOUSING AUTHORITY OF THE COUNTY OF CONTRA COSTA We invite you to explore the site and use the available features to handle many of your business needs. SIGN UP FOR EMAIL WAITLIST ALERTS CONTACT LANDLORD PORTAL CALENDAR TENANT & LANDLORD FORMS LOOKING FOR HOUSING HOUSING CHOICE VOUCHER PROGRAM PUBLIC HOUSING PROGRAM English HOUSING AUTHORITY OF THE COUNTY OF CONTRA COSTA  3133 ESTUDILLO ST, MARTINEZ, CA 94553 SITE MAP ACCESSIBILITY DISCLAIMER​ CONTACT US Are you a TENANT or LANDLORD or APPLICANT   PORTAL SUPPORT
◈ Crawled Pages — Provenance Chain
Law I — Provenance · Law III — Reverse Ontology · source: https://www.contracostahousing.org/ Visit Source ↗
Root-LD — Traveling Context Pod v1.0 · gdr-ebaa1451 · three layers
27
Graph Edges
112
Tokens Measured
0.6875
Type-Token Ratio
2
Schema Blocks
26%
Schema Coverage
Root-LD is the traveling context pod for this entity — permanent, provenance-grounded. The head <script> block is machine-readable. This section shows the same data to humans. We show the work in both spaces.
Layer 1 — Anchor · Immutable after mint. UUID, federation_id, content hash, timestamps. A new crawl appends to recursive — the anchor is never touched. Law I — Provenance.
rld:anchor — gdr-ebaa1451
{
  "uuid": "ebaa1451-9760-4dea-8d23-a862fe75225b",
  "federation_id": "gdr-ebaa1451",
  "sequence": 0,
  "content_hash": "6ee9934802b4b1af6a71c3ade4728c9f8e21b024cd2b89e814563130b4ffce26",
  "primary_source": "https://www.contracostahousing.org/",
  "source_verified": true,
  "generation_method": "crawl_extract_v1",
  "spec_version": "1.0",
  "queued_at": "2026-05-15T21:16:46.716825+00:00",
  "minted_at": "2026-05-16T16:13:15.033519+00:00"
}
Layer 2 — Body · Complete measurement snapshot frozen at mint. Identity, SEO, schema graph, six-layer topology fingerprint, ratio signals, navigation. Law II — Temporal Attestation.
rld:body — contracostahousing.org
{
  "domain": "contracostahousing.org",
  "canonical_url": "https://www.contracostahousing.org/",
  "tld": "org",
  "slug": "contracostahousing-org",
  "status_code": 200,
  "redirect_chain": [],
  "response_time_ms": 6017,
  "ssl_valid": true,
  "server_header": "cloudflare",
  "title": "Home - Contra Costa Housing Authority",
  "h1": "",
  "meta_description": "",
  "lang_declared": "en-US",
  "schema_types": [
    "BreadcrumbList",
    "ListItem",
    "Organization",
    "WebPage",
    "WebSite",
    "ReadAction",
    "SearchAction",
    "EntryPoint",
    "PropertyValueSpecification"
  ],
  "schema_score": 0.2552,
  "schema_prop_count": 17,
  "schema_gap_list": [
    "aggregateElement",
    "numberOfItems",
    "itemListOrder",
    "sameAs",
    "identifier",
    "alternateName",
    "image"
  ],
  "top_semantic_words": [
    "housing",
    "portal",
    "public",
    "authority",
    "contra",
    "costa",
    "county",
    "landlord",
    "choice",
    "voucher",
    "business",
    "welcome",
    "tenant",
    "program",
    "login",
    "property",
    "owners",
    "opportunities",
    "news",
    "notices",
    "invite",
    "explore",
    "available",
    "features",
    "handle",
    "many",
    "needs",
    "sign",
    "waitlist",
    "alerts",
    "calendar",
    "forms",
    "looking",
    "english",
    "estudillo",
    "martinez",
    "map",
    "accessibility",
    "disclaimer",
    "applicant"
  ],
  "ratio_signals": {
    "schema_density": 0.425,
    "nav_ratio": 0.0,
    "content_to_structure_ratio": 0.000646,
    "external_tld_diversity": 2,
    "self_declaration_coherence": 0.2,
    "schema_to_navigation_alignment": 0.0,
    "javascript_surface_ratio": 0.0,
    "url_depth_distribution": {
      "depth_0": 0,
      "depth_1": 0,
      "depth_2": 0,
      "depth_3plus": 0
    }
  },
  "semantic_html_ratio": 0.0,
  "javascript_surface_ratio": 0.0,
  "img_alt_coverage": 0.0,
  "robots_complexity_score": 0,
  "ariadne_blocked": false,
  "security_label": "MINIMAL",
  "https_enforced": true,
  "freshness_label": "UNKNOWN",
  "tld_starjet_url": "https://globaldataregistry.com/registry/tld/ledger/org",
  "schema_starjet_urls": [
    "https://globaldataregistry.com/registry/schema/ledger/breadcrumblist",
    "https://globaldataregistry.com/registry/schema/ledger/listitem",
    "https://globaldataregistry.com/registry/schema/ledger/organization",
    "https://globaldataregistry.com/registry/schema/ledger/webpage",
    "https://globaldataregistry.com/registry/schema/ledger/website",
    "https://globaldataregistry.com/registry/schema/ledger/readaction",
    "https://globaldataregistry.com/registry/schema/ledger/searchaction",
    "https://globaldataregistry.com/registry/schema/ledger/entrypoint",
    "https://globaldataregistry.com/registry/schema/ledger/propertyvaluespecification"
  ],
  "native_text_sample": "PORTAL LOGIN\nABOUT\nNEED HOUSING\nPROPERTY OWNERS\nPUBLIC HOUSING\nHOUSING CHOICE VOUCHER\nBUSINESS OPPORTUNITIES\nNEWS & PUBLIC NOTICES\n\nWelcome to The Housing Authority\nof Contra Costa County\n\nWELCOME TO THE HOUSING AUTHORITY OF THE COUNTY OF CONTRA COSTA\n\nWe invite you to explore the site and use the available features to handle many of your business needs.\n\nSIGN UP FOR EMAIL WAITLIST ALERTS\nCONTACT\nLANDLORD PORTAL\nCALENDAR\nTENANT & LANDLORD FORMS\nLOOKING FOR HOUSING\nHOUSING CHOICE VOUCHER PROGRAM\n",
  "topology_fingerprint_version": "1.0.0"
}
Layer 3 — Recursive · Empty at mint. Grows forever through accumulated corpus passes. Common edges (Law V), uncommon edges (Law VI), topology cluster scores. The graph builds itself. Law VII — Torus.
rld:recursive — edge_count=0
{
  "edges": [],
  "appended_at": [],
  "edge_count": 0
}
Root-LD v1.0 · root-ld.org · Law I+II+VII root-ld.org ↗
Schema.org Intelligence scored · graph traversal · Law VI negative space
26% coverage · 9 types · 17 props · 7 gaps · click to expand
26%
Schema Utilization Score
PARTIAL COVERAGE — GAPS IDENTIFIED
schema.org v2.0.0 · 17 props extracted · 7 gaps · https://www.contracostahousing.org/
ItemListBreadcrumbListListItemOrganizationWebPageWebSite
◈ Schema Graph — Three-Direction Traversal
Declared: BreadcrumbList · ListItem · Organization · WebPage · WebSite · ReadAction · SearchAction · EntryPoint · PropertyValueSpecification
✓ Implemented
itemListElementownHome
positionown1
nameownHome
descriptionownCCCHA
urlownhttps://contracostaha.org/
inLanguageownen-US
isPartOfownhttps://contracostaha.org/#website
breadcrumbownhttps://contracostaha.org/#breadcrumblist
datePublishedown2020-03-27T22:15:57+00:00
dateModifiedown2026-03-26T21:33:05+00:00
publisherownhttps://contracostaha.org/#organization
potentialActionown[ReadAction]
targetownhttps://contracostaha.org/home/
query-inputown[PropertyValueSpecification]
urlTemplateownhttps://contracostaha.org/?s={search_term_string}
valueRequiredownTRUE
valueNameownsearch_term_string
✗ Not Implemented / Gap
openingHoursgap
hasOfferCataloggap
slogangap
knowsAboutgap
numberOfEmployeesgap
logogap
aggregateRatinggap
contactPointgap
priceRangegap
sameAsgap
areaServedgap
legalNamegap
alternateNamegap
emailgap
keywordsgap
addressgap
imagegap
identifiergap
foundingDategap
geogap
telephonegap
aggregateElementgap
numberOfItemsgap
itemListOrdergap
ItemListancestor +1schema.org/ItemList ↗1/4 (25%)
A list of items of any sort&#x2014;for example, Top 10 Movies About Weathermen, or Top 100 Party Songs. Not to be confused with HTML lists, which are often used only for formatting
itemListElement
aggregateElementnumberOfItemsitemListOrder
Intangibleancestor +2schema.org/Intangible ↗0/0 (—)
A utility class that serves as the umbrella for a number of 'intangible' things such as quantities, structured values, etc.
Thingancestor +3schema.org/Thing ↗4/13 (30%)
The most generic type of item.
namepotentialActiondescriptionurl
sameAsadditionalTypeidentifierownersubjectOfmainEntityOfPagealternateNameimagedisambiguatingDescription
HowToSectionsibling via ItemListschema.org/HowToSection ↗0 exclusive
A sub-grouping of steps in the instructions for how to achieve a result (e.g. steps for making a pie crust within a pie recipe).
HowToStepsibling via ItemListschema.org/HowToStep ↗0 exclusive
A step in the instructions for how to achieve a result. It is an ordered list with HowToDirection and/or HowToTip items.
OfferCatalogsibling via ItemListschema.org/OfferCatalog ↗0 exclusive
An OfferCatalog is an ItemList that contains related Offers and/or further OfferCatalogs that are offeredBy the same provider.
No child types — leaf node.
◈ Structural Negative Type Space — Constitutional Law VI
◈ Action Branch

No structural connection to the Action branch. Graph position measurement. schema.org/Action ↗ · Law III — meaning is yours.

◈ BioChemEntity Branch

No structural connection to the BioChemEntity branch. Graph position measurement. schema.org/BioChemEntity ↗ · Law III — meaning is yours.

◈ CreativeWork Branch

No structural connection to the CreativeWork branch. Graph position measurement. schema.org/CreativeWork ↗ · Law III — meaning is yours.

◈ Event Branch

No structural connection to the Event branch. Graph position measurement. schema.org/Event ↗ · Law III — meaning is yours.

◈ MedicalEntity Branch

No structural connection to the MedicalEntity branch. Graph position measurement. schema.org/MedicalEntity ↗ · Law III — meaning is yours.

◈ Organization Branch

No structural connection to the Organization branch. Graph position measurement. schema.org/Organization ↗ · Law III — meaning is yours.

◈ Person Branch

No structural connection to the Person branch. Graph position measurement. schema.org/Person ↗ · Law III — meaning is yours.

◈ Place Branch

No structural connection to the Place branch. Graph position measurement. schema.org/Place ↗ · Law III — meaning is yours.

◈ Product Branch

No structural connection to the Product branch. Graph position measurement. schema.org/Product ↗ · Law III — meaning is yours.

◈ Taxon Branch

No structural connection to the Taxon branch. Graph position measurement. schema.org/Taxon ↗ · Law III — meaning is yours.

◈ Gap List (7 properties unmapped)
aggregateElementnumberOfItemsitemListOrdersameAsidentifieralternateNameimage
◈ Source Schema.org — Raw Extraction (2 blocks)
Block 1 · @type: unknown
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "BreadcrumbList",
      "@id": "https://contracostaha.org/#breadcrumblist",
      "itemListElement": [
        {
          "@type": "ListItem",
          "@id": "https://contracostaha.org#listItem",
          "position": 1,
          "name": "Home"
        }
      ]
    },
    {
      "@type": "Organization",
      "@id": "https://contracostaha.org/#organization",
      "name": "Contra Costa Housing Authority",
      "description": "CCCHA",
      "url": "https://contracostaha.org/"
    },
    {
      "@type": "WebPage",
      "@id": "https://contracostaha.org/#webpage",
      "url": "https://contracostaha.org/",
      "name": "Home - Contra Costa Housing Authority",
      "inLanguage": "en-US",
      "isPartOf": {
        "@id": "https://contracostaha.org/#website"
      },
      "breadcrumb": {
        "@id": "https://contracostaha.org/#breadcrumblist"
      },
      "datePublished": "2020-03-27T22:15:57+00:00",
      "dateModified": "2026-03-26T21:33:05+00:00"
    },
    {
      "@type": "WebSite",
      "@id": "https://contracostaha.org/#website",
      "url": "https://contracostaha.org/",
      "name": "Contra Costa Housing Authority",
      "description": "CCCHA",
      "inLanguage": "en-US",
      "publisher": {
        "@id": "https://contracostaha.org/#organization"
      }
    }
  ]
}
◈ Source: https://www.contracostahousing.org/ · Law I — Provenance
Block 2 · @type: unknown
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "WebPage",
      "@id": "https://contracostaha.org/home/",
      "url": "https://contracostaha.org/home/",
      "name": "Home - Contra Costa Housing Authority",
      "isPartOf": {
        "@id": "https://contracostaha.org/#website"
      },
      "datePublished": "2020-03-27T22:15:57+00:00",
      "dateModified": "2026-03-26T21:33:05+00:00",
      "breadcrumb": {
        "@id": "https://contracostaha.org/home/#breadcrumb"
      },
      "inLanguage": "en-US",
      "potentialAction": [
        {
          "@type": "ReadAction",
          "target": [
            "https://contracostaha.org/home/"
          ]
        }
      ]
    },
    {
      "@type": "BreadcrumbList",
      "@id": "https://contracostaha.org/home/#breadcrumb",
      "itemListElement": [
        {
          "@type": "ListItem",
          "position": 1,
          "name": "Home"
        }
      ]
    },
    {
      "@type": "WebSite",
      "@id": "https://contracostaha.org/#website",
      "url": "https://contracostaha.org/",
      "name": "Contra Costa Housing Authority",
      "description": "CCCHA",
      "potentialAction": [
        {
          "@type": "SearchAction",
          "target": {
            "@type": "EntryPoint",
            "urlTemplate": "https://contracostaha.org/?s={search_term_string}"
          },
          "query-input": {
            "@type": "PropertyValueSpecification",
            "valueRequired": true,
            "valueName": "search_term_string"
          }
        }
      ],
      "inLanguage": "en-US"
    }
  ]
}
◈ Source: https://www.contracostahousing.org/ · Law I — Provenance
schema.org v2.0.0 · source: https://www.contracostahousing.org/ schema.org/BreadcrumbList ↗
Semantic Words 40 words · frequency ranked · Law III
40 words · top 5: housing · portal · public · authority · contra · click to expand
Top 40 words by frequency from https://www.contracostahousing.org/ + 0 interior pages (0 words total). Stop-words stripped. Ranked by repetition.
#1housing9x · 13.04%
#2portal3x · 4.35%
#3public3x · 4.35%
#4authority3x · 4.35%
#5contra3x · 4.35%
#6costa3x · 4.35%
#7county3x · 4.35%
#8landlord3x · 4.35%
#9choice2x · 2.9%
#10voucher2x · 2.9%
#11business2x · 2.9%
#12welcome2x · 2.9%
#13tenant2x · 2.9%
#14program2x · 2.9%
#15login1x · 1.45%
#16property1x · 1.45%
#17owners1x · 1.45%
#18opportunities1x · 1.45%
#19news1x · 1.45%
#20notices1x · 1.45%
#21invite1x · 1.45%
#22explore1x · 1.45%
#23available1x · 1.45%
#24features1x · 1.45%
#25handle1x · 1.45%
#26many1x · 1.45%
#27needs1x · 1.45%
#28sign1x · 1.45%
#29waitlist1x · 1.45%
#30alerts1x · 1.45%
#31calendar1x · 1.45%
#32forms1x · 1.45%
#33looking1x · 1.45%
#34english1x · 1.45%
#35estudillo1x · 1.45%
#36martinez1x · 1.45%
#37map1x · 1.45%
#38accessibility1x · 1.45%
#39disclaimer1x · 1.45%
#40applicant1x · 1.45%
Law III — frequency measured, meaning is the reader's · source: https://www.contracostahousing.org/
Text Topology Fingerprint v1.0.0 · short · 737 chars · Law III
Six-layer pre-linguistic shape measurement. Deterministic. Same input, same output, always. Hash: bb0101019ba8d1aef41fa84c3f16fb95...
◈ Signal Matrix
0.688
TTR
0.491
HAPAX
0.509
REP
0.198
BIGRAM
0.714
H2T
0.732
CPRT
0.000
SKEW
0.000
KURT
2.000
C/P
0.637
PENT
1.000
S1P
0.004
NASC
TTR=type-token ratio · HAPAX=hapax ratio · REP=repetition score · BIGRAM=bigram repetition · H2T=hapax-to-type · CPRT=capital token ratio · SKEW=sentence skewness · KURT=sentence kurtosis · C/P=comma-period ratio · PENT=punct entropy · S1P=single-sent para ratio · NASC=non-ASCII ratio
◈ Topology Position
Latin dominant · high lexical diversity · short-form declarative register · high clause nesting · broad topic range · strong uncommon edge signal
◈ Six Measurement Layers
Layer 1 — Character
0.0041
Non-ASCII Ratio
0.0 = Latin-dominant · 1.0 = fully non-Latin script
Layer 1 — Character
3.4452
Character Entropy
Shannon entropy of character distribution.
Layer 1 — Character
'O' (50x)
Most Frequent
Highest-frequency character. Law V — common edge.
Layer 2 — Token
0.6875
Type-Token Ratio
Unique tokens / total tokens. Lexical diversity signal.
Layer 2 — Token
0.4911
Hapax Ratio
Tokens appearing exactly once. Law VI — uncommon edge.
Layer 6 — Document
0.7143
Hapax to Type
Hapax count / unique token count.
Layer 3 — Punctuation
2.0000
Comma/Period Ratio
Clause complexity per sentence.
Layer 3 — Punctuation
0.6365
Punct Entropy
Shannon entropy across punctuation types.
Layer 4 — Sentence
2
Sentence Count
Total detected sentences across all crawled pages.
Layer 4 — Sentence
0.0000
Skewness
Positive = long-tail. Negative = conversational.
Layer 5 — Paragraph
1.0000
Single Sent Ratio
High = web copy. Low = academic prose.
Layer 6 — Document
0.5089
Repetition Score
Tokens appearing more than once / total.
◈ Token Length Distribution
1-3
30%
4-6
33%
7-10
34%
11-15
3%
16-20
0%
21+
0%
◈ Density Gradient — TTR per Document Tenth
Front-loaded = abstract/preamble · Flat = consistent prose · Back-loaded = building complexity
topology_fingerprint.py v1.0.0 · sha256: bb0101019ba8d1ae... · Law III + Law VI
Ratio Signals 8 deterministic measurements · the gap is the signal
Eight deterministic measurements. Law I: every value traces to its source stage.
schema density
0.4250
Schema props extracted / top semantic words.
nav ratio
0.0000
Nav URLs / total internal URLs.
content to structure ratio
0.0006
Total words / raw HTML bytes. Content density.
external tld diversity
2
Unique TLD count in outbound links.
self declaration coherence
0.2000
Fuzzy overlap across title / H1 / meta / schema name.
schema to nav alignment
0.0000
Schema type tokens vs nav link text overlap.
javascript surface ratio
0.0000
Fraction of interior pages JS-gated.
URL Depth Distribution
depth_0: 0 · depth_1: 0 · depth_2: 0 · depth_3plus: 0
Internal URLs by path depth. Depth 0 = root.
Tech Stack · Security · Freshness SecurityLabel.MINIMAL · FreshnessLabel.UNKNOWN
Sitemap: ✗Robots.txt: ✗Schema.org: ✓Open Graph: ✓Canonical: ✓HTTPS: ✓HSTS: ✗CSP: ✗
Security
SecurityLabel.MINIMAL
Freshness
FreshnessLabel.UNKNOWN
Server
cloudflare
cmsWordPress
cdnCloudflare
web_servercloudflare
analytics['Google Analytics', 'Google Tag Manager']
Ledger Appends 10 ledgers · graph edge traversal · Law V+VII
Build: national-transit-v1.0.0 Spec: Root-LD v1.0 Status: LIVE Minted: 2026-05-16
contracostahousing.org · gdr-ebaa1451
contracostahousing.org is recorded in the Global Data Registry — open provenance infrastructure for the machine-readable web.
View the Registry →