Layer 1 · gdr-7daf3240
cityofsierramadre.com
Latin dominant · high lexical diversity · short-form declarative register · moderate clause complexity · broad topic range · strong uncommon edge signal
Schema: 0% COM · LIVE Minted: 2026-05-16 Visit Source ↗ manifest.json ↗
Entity Identity gdr-7daf3240 · minted 2026-05-16T22:32:12Z
◈ This record is claimable  ·  Verified entities are cited by AI systems
Claim Entity Profile →
COM · Entity Record
cityofsierramadre.com
JSON-LD ✗Root-LD ✗schema.org ✗
STATUS: LIVE SSL: VALID SECURITY: STRONG FRESHNESS: CURRENT TLD EDGE: .com ↗
◈ Topology Position
Latin dominant · high lexical diversity · short-form declarative register · moderate clause complexity · broad topic range · strong uncommon edge signal
◈ Entity Topology Map
gdr-7daf3240 · v1.0.0 · Law III+V+VI
78f9d2053ea9f8fd5d15dabc2cb9bd19cityofsierramadre.comgdr-7daf3240TTR0.609HAPAX0.452SKEW0.425PARA0.904TTR0.6089HAPAX0.4516REP0.5484SCHEMA0%TOKENS496NODES0SCHEMA TYPESTOPOLOGYGRAPH EDGESNEG SPACE
Latin dominant · high lexical diversity · short-form declarative register · moderate clause complexity · broad topic range · strong uncommon edge signal
Federation ID
gdr-7daf3240
Slug
cityofsierramadre-com
TLD
.com
Status Code
200
Response Time
4555ms
Interior Pages
0
Interior Words
0
Minted At
2026-05-16T22:32:12Z
Law I — Provenance · Law II — Temporal Attestation Visit cityofsierramadre.com ↗
SEO Record extracted from https://www.cityofsierramadre.com/
Title
Home | City of Sierra Madre
H1
Home
Meta Description
The official website for City of Sierra Madre.
Canonical URL
https://www.sierramadreca.gov/
Language Attribute
en
Word Count
496
Open Graph Tags
og:type: websiteog:title: Home | City of Sierra Madreog:image: https://www.sierramadreca.gov/media/jbrepwui/city-of-sierra-madre-logo.pngog:url: https://www.sierramadreca.gov/og:description: The official website for City of Sierra Madre.og:site_name: City of Sierra Madre
Twitter / X Tags
twitter:card: summary_large_image
H2 (1)
News
H2 (2)
Events
Full Extracted Text Corpus 3,240 chars · 496 words · 0 pages · Law I
Everything cityofsierramadre.com said about itself — extracted verbatim from 0 pages, 496 words total. No editorial layer. No inference. Law III — the text is the measurement. Meaning is the reader's. Minted: 2026-05-16T22:32:12Z
◈ Homepage — https://www.cityofsierramadre.com/This website uses cookies to enhance usability and provide you with a more personal experience. By using this website, you agree to our use of cookies as explained in our Privacy Policy. Agree Dismiss all alerts Welcome to our new website! Our new website delivers the information you need quickly and clearly. Fully optimized for mobile and desktop, it’s built to work wherever you are. Take a tour and share your feedback at [email protected] Skip to main content Skip to footer City of Sierra Madre Our Community Expand sub pages Our Community Life & Wellness Expand sub pages Life & Wellness Safety & Resilience Expand sub pages Safety & Resilience Building & Planning Expand sub pages Building & Planning Leadership & Transparency Expand sub pages Leadership & Transparency Home WELCOME TO Sierra Madre Watch City Council Meetings Agenda Events Calendar Library Business Licensing  Permits Water Billing Featured Services Enhanced Paramedic Subscription Program An affordable annual subscription that helps reduce out-of-pocket emergency medical service costs for Sierra Madre residents and businesses. Track Your Water Usage Manage your water account online to view usage pay bills and set alerts through the City’s Customer Portal. Emergency Alerts Sign up to receive timely emergency notifications and important City updates by text message, email, or phone. Service Request Put in a service request. Tree trimming, pot hole repair, and illegal dump removal. Previous Local Business Support Sierra Madre is committed to supporting local businesses. Explore City services, permitting and licensing information, and resources designed to help businesses succeed at every stage. Local Business Supports Senior Services Explore programs, activities, and services available to older adults in Sierra Madre, including recreation, events, and community resources. View Senior Services Next What's Happening News Senior Community Survey The City of Sierra Madre invites local seniors to take a short survey to help shape future senior programs and services. Mar 06, 2026 Community Events & Programs Ad Hoc Revenue Committee Report Released In January 2026, the City of Sierra Madre received the final report of the Ad Hoc Revenue Committee, a resident-led advisory group convened to review the City’s financial position, revenue sources, and expenditure patterns. Jan 30, 2026 City News View All News Events MAY 16 Library Closed MAY 16 Music @ The Playhouse: Jodi Siegel with Greg Porée and Justin Porée MAY 17 Library Closed View All Events City Council Places Gann Measure on June 2026 Ballot At its February 24 meeting, the Sierra Madre City Council voted unanimously to place a No-Tax-Increase Gann Measure on the June 2, 2026, Statewide Primary ballot. Gann Limit Ballot Measure Sign up to our Newsletter Stay up to date on the city's activities, events, programs and operations by subscribing to our eNewsletters. Sign Up Today! Contact Us 232 W. Sierra Madre Blvd. Sierra Madre, CA 91024 (626) 355-7135 Resources News Sitemap Privacy Policy Connect With Us Facebook Instagram © 2026 City of Sierra Madre Privacy Policy Sitemap Made with Govstack How can I help you today?
◈ Crawled Pages — Provenance Chain
Law I — Provenance · Law III — Reverse Ontology · source: https://www.cityofsierramadre.com/ Visit Source ↗
Root-LD — Traveling Context Pod v1.0 · gdr-7daf3240 · three layers
1
Graph Edges
496
Tokens Measured
0.6089
Type-Token Ratio
0
Schema Blocks
0%
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-7daf3240
{
  "uuid": "7daf3240-aef0-4546-bb6d-c2b429b8c1e3",
  "federation_id": "gdr-7daf3240",
  "sequence": 0,
  "content_hash": "2273393fd3767bcd9b667c69ab498b012b0717c0b6cee723c9bb62ef064b3eba",
  "primary_source": "https://www.cityofsierramadre.com/",
  "source_verified": true,
  "generation_method": "crawl_extract_v1",
  "spec_version": "1.0",
  "queued_at": "2026-05-15T21:16:46.716825+00:00",
  "minted_at": "2026-05-16T22:32:12.627182+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 — cityofsierramadre.com
{
  "domain": "cityofsierramadre.com",
  "canonical_url": "https://www.cityofsierramadre.com/",
  "tld": "com",
  "slug": "cityofsierramadre-com",
  "status_code": 200,
  "redirect_chain": [],
  "response_time_ms": 4555,
  "ssl_valid": true,
  "server_header": "",
  "title": "Home | City of Sierra Madre",
  "h1": "Home",
  "meta_description": "The official website for City of Sierra Madre.",
  "lang_declared": "en",
  "schema_types": [],
  "schema_score": 0.0,
  "schema_prop_count": 0,
  "schema_gap_list": [],
  "top_semantic_words": [
    "city",
    "sierra",
    "madre",
    "events",
    "services",
    "community",
    "expand",
    "sub",
    "pages",
    "website",
    "local",
    "senior",
    "programs",
    "news",
    "alerts",
    "council",
    "library",
    "business",
    "water",
    "emergency",
    "service",
    "businesses",
    "sign",
    "resources",
    "help",
    "revenue",
    "gann",
    "measure",
    "ballot",
    "cookies",
    "agree",
    "welcome",
    "information",
    "life",
    "wellness",
    "safety",
    "resilience",
    "building",
    "planning",
    "leadership"
  ],
  "ratio_signals": {
    "schema_density": 0.0,
    "nav_ratio": 0.0,
    "content_to_structure_ratio": 0.003963,
    "external_tld_diversity": 4,
    "self_declaration_coherence": 0.2148,
    "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": "STRONG",
  "https_enforced": true,
  "freshness_label": "CURRENT",
  "tld_starjet_url": "https://globaldataregistry.com/registry/tld/ledger/com",
  "schema_starjet_urls": [],
  "native_text_sample": "This website uses cookies to enhance usability and provide you with a more personal experience. By using this website, you agree to our use of cookies as explained in our Privacy Policy.\n\nAgree\n\nDismiss all alerts\n\nWelcome to our new website!\n\nOur new website delivers the information you need quickly and clearly. Fully optimized for mobile and desktop, it’s built to work wherever you are. Take a tour and share your feedback at [email protected]\n\nSkip to main content\nSkip to footer\nCity of S",
  "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
1% coverage · 0 types · 0 props · 0 gaps · click to expand
1%
Schema Utilization Score
NO SCHEMA DETECTED — INVISIBLE TO AI
schema.org v2.0.0 · 0 props extracted · 0 gaps · https://www.cityofsierramadre.com/
No schema types declared
◈ Schema Graph — Three-Direction Traversal
Declared: None
✓ Implemented
No properties extracted.
✗ Not Implemented / Gap
namegap
openingHoursgap
hasOfferCataloggap
slogangap
urlgap
knowsAboutgap
numberOfEmployeesgap
logogap
descriptiongap
aggregateRatinggap
contactPointgap
priceRangegap
sameAsgap
areaServedgap
legalNamegap
alternateNamegap
emailgap
keywordsgap
addressgap
imagegap
identifiergap
foundingDategap
geogap
telephonegap
No ancestor types — root level.
No sibling types found.
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.

◈ Intangible Branch

No structural connection to the Intangible branch. Graph position measurement. schema.org/Intangible ↗ · 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 (0 properties unmapped)
◈ Source Schema.org — Raw Extraction (0 blocks)
⚠ NO JSON-LD MARKUP DETECTED
No structured data found at https://www.cityofsierramadre.com/. This entity is invisible to AI systems that reason from structured data.
schema.org v2.0.0 · source: https://www.cityofsierramadre.com/ schema.org/Thing ↗
Semantic Words 40 words · frequency ranked · Law III
40 words · top 5: city · sierra · madre · events · services · click to expand
Top 40 words by frequency from https://www.cityofsierramadre.com/ + 0 interior pages (0 words total). Stop-words stripped. Ranked by repetition.
#1city14x · 4.55%
#2sierra11x · 3.57%
#3madre11x · 3.57%
#4events6x · 1.95%
#5services6x · 1.95%
#6community5x · 1.62%
#7expand5x · 1.62%
#8sub5x · 1.62%
#9pages5x · 1.62%
#10website4x · 1.3%
#11local4x · 1.3%
#12senior4x · 1.3%
#13programs4x · 1.3%
#14news4x · 1.3%
#15alerts3x · 0.97%
#16council3x · 0.97%
#17library3x · 0.97%
#18business3x · 0.97%
#19water3x · 0.97%
#20emergency3x · 0.97%
#21service3x · 0.97%
#22businesses3x · 0.97%
#23sign3x · 0.97%
#24resources3x · 0.97%
#25help3x · 0.97%
#26revenue3x · 0.97%
#27gann3x · 0.97%
#28measure3x · 0.97%
#29ballot3x · 0.97%
#30cookies2x · 0.65%
#31agree2x · 0.65%
#32welcome2x · 0.65%
#33information2x · 0.65%
#34life2x · 0.65%
#35wellness2x · 0.65%
#36safety2x · 0.65%
#37resilience2x · 0.65%
#38building2x · 0.65%
#39planning2x · 0.65%
#40leadership2x · 0.65%
Law III — frequency measured, meaning is the reader's · source: https://www.cityofsierramadre.com/
Text Topology Fingerprint v1.0.0 · short · 3,240 chars · Law III
Six-layer pre-linguistic shape measurement. Deterministic. Same input, same output, always. Hash: 78f9d2053ea9f8fd5d15dabc2cb9bd19...
◈ Signal Matrix
0.609
TTR
0.452
HAPAX
0.548
REP
0.184
BIGRAM
0.742
H2T
0.395
CPRT
2.127
SKEW
4.255
KURT
1.316
C/P
1.451
PENT
0.904
S1P
0.002
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 · moderate clause complexity · broad topic range · strong uncommon edge signal
◈ Six Measurement Layers
Layer 1 — Character
0.0022
Non-ASCII Ratio
0.0 = Latin-dominant · 1.0 = fully non-Latin script
Layer 1 — Character
3.3185
Character Entropy
Shannon entropy of character distribution.
Layer 1 — Character
'e' (325x)
Most Frequent
Highest-frequency character. Law V — common edge.
Layer 2 — Token
0.6089
Type-Token Ratio
Unique tokens / total tokens. Lexical diversity signal.
Layer 2 — Token
0.4516
Hapax Ratio
Tokens appearing exactly once. Law VI — uncommon edge.
Layer 6 — Document
0.7417
Hapax to Type
Hapax count / unique token count.
Layer 3 — Punctuation
1.3158
Comma/Period Ratio
Clause complexity per sentence.
Layer 3 — Punctuation
1.4514
Punct Entropy
Shannon entropy across punctuation types.
Layer 4 — Sentence
21
Sentence Count
Total detected sentences across all crawled pages.
Layer 4 — Sentence
2.1270
Skewness
Positive = long-tail. Negative = conversational.
Layer 5 — Paragraph
0.9038
Single Sent Ratio
High = web copy. Low = academic prose.
Layer 6 — Document
0.5484
Repetition Score
Tokens appearing more than once / total.
◈ Token Length Distribution
1-3
29%
4-6
37%
7-10
30%
11-15
4%
16-20
0%
21+
0%
◈ Density Gradient — TTR per Document Tenth
Front-loaded = abstract/preamble · Flat = consistent prose · Back-loaded = building complexity
◈ Lexical Richness Curve — Rolling Window TTR
0.460.94
Window=50 tokens · Step=25 · 18 data points
topology_fingerprint.py v1.0.0 · sha256: 78f9d2053ea9f8fd... · 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
0.0000
Schema props extracted / top semantic words.
nav ratio
0.0000
Nav URLs / total internal URLs.
content to structure ratio
0.0040
Total words / raw HTML bytes. Content density.
external tld diversity
4
Unique TLD count in outbound links.
self declaration coherence
0.2148
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.STRONG · FreshnessLabel.CURRENT
Sitemap: ✗Robots.txt: ✗Schema.org: ✗Open Graph: ✓Canonical: ✓HTTPS: ✓HSTS: ✓CSP: ✗
Security
SecurityLabel.STRONG
Freshness
FreshnessLabel.CURRENT
Server
analytics['Google Analytics', 'Google Tag Manager']
frameworks['angular']
Ledger Appends 1 ledgers · graph edge traversal · Law V+VII
Every ledger this entity appends to. Follow any link to see every other entity in the registry that shares that TLD or schema type. Law VII — Torus. The corridor never ends.
TLD LEDGER
.com
https://globaldataregistry.com/registry/tld/ledger/com ↗
Law V — Common Edge · Law VII — Torus · 1 ledger appends
Build: national-transit-v1.0.0 Spec: Root-LD v1.0 Status: LIVE Minted: 2026-05-16
cityofsierramadre.com · gdr-7daf3240
cityofsierramadre.com is recorded in the Global Data Registry — open provenance infrastructure for the machine-readable web.
View the Registry →
A gift from the Global Data Registry

When the Global Data Registry crawled https://www.cityofsierramadre.com/, we found no structured data — the language AI systems use to understand and describe a business online.

Schema is how ChatGPT, Google, Claude, Gemini, and Perplexity know what your business does and how to describe you accurately to your customers. Without it, AI systems are guessing.

The most important field in this block is sameAs — a verified edge connecting your website to your permanent record at the Global Data Registry. This is a free, confirmed link to a real verified source. It costs nothing and gives your website a confirmed node in the graph that AI systems traverse when building answers about your business.

Copy the block below and paste it into the <head> of your website. Or drop it into ChatGPT, Claude, or Gemini and ask it to extend it with your full business details — that is the fastest path to a complete schema record.

▶   What is schema?

Schema is a standard vocabulary maintained at schema.org that lets websites describe themselves in a language machines can read. When you add schema to your website, you are telling AI systems, search engines, and knowledge graphs exactly what your business is and how it connects to the rest of the web.

Google structured data guide ↗  ·  schema.org ↗  ·  Standard Terminal schema reference ↗

schema.org · verified by Global Data Registry · https://globaldataregistry.com/entity/cityofsierramadre-com
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "WebSite",
      "@id": "https://www.cityofsierramadre.com/#website",
      "url": "https://www.cityofsierramadre.com/",
      "name": "cityofsierramadre.com — Home | City of Sierra Madre",
      "sameAs": "https://globaldataregistry.com/entity/cityofsierramadre-com"
    },
    {
      "@type": "WebPage",
      "@id": "https://www.cityofsierramadre.com/#webpage",
      "url": "https://www.cityofsierramadre.com/",
      "name": "cityofsierramadre.com — Home | City of Sierra Madre",
      "isPartOf": {
        "@id": "https://www.cityofsierramadre.com/#website"
      },
      "keywords": "cityofsierramadre.com — Home | City of Sierra Madre"
    }
  ]
}
◈ Verified source: https://www.cityofsierramadre.com/ · GDR record: https://globaldataregistry.com/entity/cityofsierramadre-com · Issued by globaldataregistry.com
Claim your profile at Standard Terminal → View your GDR record ↗

The Global Data Registry is on a mission to give every business and website owner a fair chance at discovery in the AI era of the internet. This schema block is free. No account required. No strings. The sameAs edge is a verified, permanent link — your website's first confirmed node in the machine-readable web.