LinkedClaims

Protocolo Semántico y de Datos

An open specification from DIF Labs defining the minimum requirements for a claim to be linkable to other claims: a claim MUST have a subject that is any valid URI, MUST itself carry a well-formed URI identifier, and MUST be cryptographically signed. Because a claim's subject may itself be a claim, endorsements, corroborations, disputes and ratings can layer on top of one another to form a cross-domain web of trust. LinkedClaims does not replace existing credential formats — it defines profiles and mappings so that existing data structures can be linked together without changing their native formats.

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Detalles

Licencia Open specification under DIF process; feedback via GitHub Issues at decentralized-identity/labs-linkedclaims. No licence stated on the specification page
Estado de Desarrollo 📝 Borrador
Propietario Decentralized Identity Foundation (DIF) — Linked Claim Incubation Lab. Editors: Golda Velez, Andor Kesselman. Authors: Golda Velez, Agnes Koinange, Phil Long. Associated with the LinkedTrust project
Propietario - Lista
  • Decentralized Identity Foundation
Órgano de Gobierno DIF (Linked Claim Incubation Lab)
País International (DIF is globally distributed; LinkedTrust is headquartered in Tucson, Arizona, USA with a global team)
Stack Language-agnostic specification. Examples use JSON-LD with Ed25519Signature2020 proofs; a minimal conformant claim is plain JSON with id, subject and signature
Financiamiento Foundation — developed within DIF's Labs programme; no separate funding disclosed
Última Investigación 31 jul 2026

Vista de topología

Esta herramienta en el centro y lo que se relaciona directamente con ella. Cada línea nombra el tipo de relación.

Vista de topología: LinkedClaimsEsta herramienta en el centro y lo que se relaciona directamente con ella. Cada línea nombra el tipo de relación.LinkedClaimsActivityPub (Aspira a interoperar con, Base de)ActivityPubJSON-LD (Se compone con, Cumple con)JSON-LDVCs (Se compone con)VCsDIDs (Cumple con)DIDsDecentralized Identity Foundation (Desarrollado por)DecentralizedIdentity Fou…
  • ActivityPub (Herramienta): Aspira a interoperar con, Base de
  • JSON-LD (Herramienta): Se compone con, Cumple con
  • VCs (Herramienta): Se compone con
  • DIDs (Herramienta): Cumple con
  • Decentralized Identity Foundation (Organización): Desarrollado por

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Protocolo Semántico y de Datos Atributos

Propietario - Lista
  • Decentralized Identity Foundation
Orígenes Web of trust / credibility assessment — motivated by the observation that cryptographic signing and blockchain validation alone do not establish whether a claim about the real world is credible, and that multiple projects had independently converged on the same addressable-claim pattern without a shared standard
Base de Datos N/A — defines claim structure, not storage. Claims are retrieved from their URIs; a claim may be public or access-controlled, and private claims may be held in a wallet with public validations pointing at them
Lenguaje de Consulta N/A — no query language defined; claims are dereferenced by URI
Formatos de Datos JSON at minimum (id, subject, signature); optionally JSON-LD with @context, and MAY be a W3C Verifiable Credential or similar credential format. Optional fields include statement, effectiveDate, source with digestMultibase, respondAt, aspect and confidence
Edición Colaborativa en Vivo N/A — claim format specification
Edición de Texto Enriquecido N/A — a claim MAY carry a narrative statement, but no rich text model is defined
Soporte Móvil N/A — specification; private claims are described as wallet-held, implying mobile wallet contexts
Soporte Web Yes — claims are URI-addressable and retrieved over the web
Aplicaciones Nativas N/A — specification
Términos Free / open specification; no fees
Fondos Unknown — no figures published
Basado En W3C Decentralized Identifiers (DID Core) for signer identification; RFC 3986 (URI syntax); optionally W3C Verifiable Credentials. Related work in progress: Progressive Trust, digest Multibase Hashlink, and an ActivityPub-compatible inbox
Compatibilidad con la Web Semántica Partial to Full depending on profile — the minimal conformant form is plain JSON with no @context and is therefore not RDF-interpretable. The advanced form uses JSON-LD with an @context and MAY be a W3C Verifiable Credential, in which case it is RDF-compatible. The specification does not mandate JSON-LD
Madurez del Protocolo / Estandarización Draft — a DIF Labs incubation specification, not a DIF ratified standard and not submitted to a formal standards body. Sections remain marked TBD and the document ends mid-topic. Reference implementation described as in development
Tipo de Vocabulario / Ontología Trust / Attestation linking — a minimal structural vocabulary rather than a domain ontology. It specifies what makes a claim linkable (addressable subject, addressable identifier, cryptographic signature) and leaves claim semantics to whatever profile or credential vocabulary is layered on top. The specification defines the concept of a LinkedClaim profile for mapping existing data structures onto the model
Patrón de Uso Embedded in other protocols and mapped onto existing formats — the specification's stated approach is that the LinkedClaim pattern already exists in several independent projects, and that defining profiles or mappings for those existing data structures lets them link together without changing their native formats. An ActivityPub-compatible inbox for replies to claims is identified as related work

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Aspira a interoperar con
Cumple con
Desarrollado por
  • Decentralized Identity Foundation
Se compone con
Base de