Colin Welch
type: MusicGroup
description: James Colin Ross Welch (23 April 1924 – 28 January 1997) was an English political journalist. According to Richard West in his obituary of Welch, he was a "strong and eloquent advocate of individual l
popularity: 4
followers: 152
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-06-17T13:13:51Z
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x618514f9515eaf29ba21d1dbb389f4a8f902ccee558c315e30b610d4b5f05a5f. Chain 2 (Bitcoin): anchored in block 954131 (2026-06-17T19:19:19Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7a27ae00-c91d-4246-a89c-a88a47d02a66.json and https://artists.proofprofile.net/proofs/artist/7a27ae00-c91d-4246-a89c-a88a47d02a66.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T19:19:19Z
  text: {"copyright_id":"0x618514f9515eaf29ba21d1dbb389f4a8f902ccee558c315e30b610d4b5f05a5f","name":"Colin Welch","registered_at":"2026-06-17T08:36:29Z","symbol":"NIM1340269","token_address":"0xa6b214fe159ff854e1b652461e7e65959d43cc9f","type":"artist","uuid":"7a27ae00-c91d-4246-a89c-a88a47d02a66"}
album: Feel It
  type: MusicAlbum
  date published: 2021-04-16
album: Feel It
  type: MusicAlbum
  date published: 2021-04-16
album: Oh My My
  type: MusicAlbum
  date published: 2023-10-19
album: Please Don't Leave
  type: MusicAlbum
  date published: 2024-03-01
album: can you save me?
  type: MusicAlbum
  date published: 2024-03-15
album: Oh Well
  type: MusicAlbum
  date published: 2024-07-04
  track: Oh Well
    type: MusicRecording
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    duration ms: 163636
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    by artist: Colin Welch
    in album: Oh Well
      type: MusicAlbum
      date published: 2024-07-04
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      type: PropertyValue
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T19:59:51Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      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
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cd73a4612c1971281339d0349b289ed5e20b069ed8fd6368e78d0f142c835bd. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/TCAIK2477590.
      date published: 2026-07-03T19:59:51Z
    audio: Oh Well
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      additional property: Tempo (BPM)
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      additional property: Acousticness
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      additional property: Instrumentalness
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      additional property: Liveness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
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album: Orpheus
  type: MusicAlbum
  date published: 2025-08-14
album: Can You Save Me?
  type: MusicAlbum
  date published: 2025-08-14