Reference

13.1 Weight Tables

COLD Ecommerce (Default for E-commerce Sites)

Trust Score = V x 0.40 + S x 0.15 + G x 0.20 + T x 0.10 + D x 0.15

Dimension	Weight	Signal Count
V — Verification	40%	13
S — Security	15%	15
G — Governance	20%	10
T — Transparency	10%	18
D — Data Quality	15%	21 (including 4 penalty signals)
F — Fulfillment	0% (COLD mode)	Requires authorization
Total	100%	77

COLD SaaS (For SaaS/Software Sites)

Trust Score = V x 0.37 + S x 0.20 + G x 0.23 + T x 0.15 + D x 0.05

Dimension	Weight	Note
V — Verification	37%
S — Security	20%	Higher (security is core to SaaS trust)
G — Governance	23%	Higher (B2B compliance)
T — Transparency	15%	Higher (SLA/uptime expected)
D — Data Quality	5%	Uses specialized SaaS D-signals (16 signals, see Ch5)
F — Fulfillment	0%

AUTH Mode (Authorized Merchants)

Trust Score = V x 0.10 + S x 0.10 + G x 0.10 + T x 0.05 + D x 0.25 + F x 0.40

Dimension	Weight	Note
V — Verification	10%	Identity already verified
S — Security	10%	Baseline check
G — Governance	10%	Baseline check
T — Transparency	5%
D — Data Quality	25%	Merchant provides richer data
F — Fulfillment	40%	Actual transaction performance

13.2 Trust Badge Thresholds

Badge	Score Range
PLATINUM	90-100
GOLD	80-89
SILVER	70-79
BRONZE	60-69
UNRATED	0-59

13.3 Signal Status Semantics

Status	Meaning	Impact on Score
`detected`	Signal is present and verified	Positive contribution
`not_found`	Scanned but signal is absent	No contribution or penalty
`not_scanned`	Signal has not been scanned yet	Excluded from score calculation
`fetch_failed`	Scan failed (timeout or network error)	Excluded from score calculation

13.4 Data Sources

Data Source	Purpose	Affected Dimensions
SSL/TLS	Certificate verification	V
WHOIS	Domain registration information	V
DNS	Security record checks	S
GLEIF	Legal entity verification	V, G
Wikidata	Public knowledge verification	V
Finnhub	Public company verification	V, G
SEC EDGAR	US public company filings	G
Google WebRisk	Malicious domain detection	V
OpenFIGI	Financial instrument identification	G
HTML crawl	Page content analysis	T, D
JSON-LD parsing	Structured data inspection	D

13.5 API Error Codes

HTTP Status	Meaning
200	Success
404	Domain not found (never scanned)
429	Rate limit exceeded
500	Internal server error

13.6 Scan Frequency

Type	Frequency
Initial scan	Triggered immediately upon request
Periodic rescan	Automatic, based on temporal staleness policy
Manual trigger	Via the verify page

13.7 Open-Source Resources

Resource	URL
OTR Protocol Specification	github.com/yb48666-ctrl/OTR-Protocol-by-orbexa
API Documentation	This chapter + Chapter 6: REST API + Chapter 8: OpenAPI
MCP Server	Chapter 7

Congratulations on completing Book 2. You now have a thorough understanding of the OTR protocol’s technical foundations. Recommended next steps:

Learn about commerce protocols: Book 3: UCP / Book 4: ACP / Book 5: MCP
Optimize your AI visibility: Book 6: SEO for AI
Use ready-made templates: Templates and Prompts
Look up terminology: Glossary

Recommended next: UCP — Universal Commerce Protocol — Learn how AI agents conduct standardized commerce interactions with merchants

OTR trust scoring case studies UCP Universal Commerce Protocol

Start

Learning Paths

Getting Started with AI Commerce

OTR Open Trust Registry

UCP Universal Commerce Protocol

ACP Agentic Commerce Protocol

MCP Model Context Protocol

SEO for the AI Era

ORBEXA Integrated Solution

Templates & Prompts

Glossary

OTR protocol technical reference

Reference

13.1 Weight Tables

COLD Ecommerce (Default for E-commerce Sites)

COLD SaaS (For SaaS/Software Sites)

AUTH Mode (Authorized Merchants)

13.2 Trust Badge Thresholds

13.3 Signal Status Semantics

13.4 Data Sources

13.5 API Error Codes

13.6 Scan Frequency

13.7 Open-Source Resources

​Reference

​13.1 Weight Tables

​COLD Ecommerce (Default for E-commerce Sites)

​COLD SaaS (For SaaS/Software Sites)

​AUTH Mode (Authorized Merchants)

​13.2 Trust Badge Thresholds

​13.3 Signal Status Semantics

​13.4 Data Sources

​13.5 API Error Codes

​13.6 Scan Frequency

​13.7 Open-Source Resources

Reference

13.1 Weight Tables

COLD Ecommerce (Default for E-commerce Sites)

COLD SaaS (For SaaS/Software Sites)

AUTH Mode (Authorized Merchants)

13.2 Trust Badge Thresholds

13.3 Signal Status Semantics

13.4 Data Sources

13.5 API Error Codes

13.6 Scan Frequency

13.7 Open-Source Resources