Mark Carruthers
type: MusicGroup
description: Mark Carruthers OBE (born 1965) is a Northern Irish journalist. He currently presents a number of television and radio programmes for BBC Northern Ireland. Broadcasting work Carruthers first joined
popularity: 3
followers: 165
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2e740db6144ee427b449b02f83b2c679a222407ff7cc80b9602bc6f8f26a2cf. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/58fdf43c-2794-4b21-bf3d-98b083580033.json and https://artists.proofprofile.net/proofs/artist/58fdf43c-2794-4b21-bf3d-98b083580033.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
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album: Millionaire
  type: MusicAlbum
  date published: 2016-12-02
album: My Son Shone
  type: MusicAlbum
  date published: 2017-06-02
album: Born to Fight
  type: MusicAlbum
  date published: 2017-10-20
album: King of the Fells
  type: MusicAlbum
  date published: 2024-12-13
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    type: MusicRecording
    duration: PT6M58S
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    by artist: Mark Carruthers
    in album: King of the Fells
      type: MusicAlbum
      date published: 2024-12-13
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    additional property: OTSVerifyInstructions
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      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3df94c0b68ec61ef60b94d40a9ca0753497bc1609fdc23be92df5fa04447c050. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKW3Z2403746.
      date published: 2026-07-06T07:53:57Z
    audio: King of the Fells
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