Paul Martin
type: MusicGroup
description: Paul Edgar Philippe Martin (; born August 28, 1938), also known as Paul Martin Jr., is a Canadian lawyer and retired politician who served as the 21st prime minister of Canada and the leader of the Li
popularity: 20
followers: 505
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://artists.proofprofile.net/proofs/artist/8be4a39c-68a1-4954-8e3b-c6e91f378f7c.json
additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2821d34006d1d97c91d8248670c02c04fe81342491d0419f9d87d76bc5208619. Chain 2 (Bitcoin): anchored in block 953724 (2026-06-15T01:43:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8be4a39c-68a1-4954-8e3b-c6e91f378f7c.json and https://artists.proofprofile.net/proofs/artist/8be4a39c-68a1-4954-8e3b-c6e91f378f7c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T01:43:13Z
  text: {"copyright_id":"0x2821d34006d1d97c91d8248670c02c04fe81342491d0419f9d87d76bc5208619","name":"Paul Martin","registered_at":"2026-06-14T19:13:35Z","symbol":"NIM0549654","token_address":"0x1c9ca30fc8e46cb914e8b3f1dad0b74cdb86874b","type":"artist","uuid":"8be4a39c-68a1-4954-8e3b-c6e91f378f7c"}
album: Le troublant témoignage
  type: MusicAlbum
  date published: 2021-06-25
  track: Paul Martin a-t-il rêvé ?
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    by artist: Paul Martin
    in album: Le troublant témoignage
      type: MusicAlbum
      date published: 2021-06-25
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    additional property: OTSTimestamp
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x876dd14654fbd733538ebeb0e2c29628a169dfa8ab175ebe592cb71cc7a3fb14. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/FR4GB7900160.
      date published: 2026-07-04T10:04:33Z
    audio: Paul Martin a-t-il rêvé ?
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      additional property: Loudness (dB)
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      additional property: Key Name
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