Missing Link
type: MusicGroup
genre: krautrock
genre: progressive rock
popularity: 6
followers: 1002
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd811ed12c2f32ac34ed410f4ad23a71e36ea79b2869b1870ca9b51eaadd8553d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954728
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f8aff42c-0248-4c58-b8c6-29f2b7ed257c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f8aff42c-0248-4c58-b8c6-29f2b7ed257c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f8aff42c-0248-4c58-b8c6-29f2b7ed257c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T18:08:38Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd811ed12c2f32ac34ed410f4ad23a71e36ea79b2869b1870ca9b51eaadd8553d","name":"Missing Link","registered_at":"2026-06-21T16:21:19Z","symbol":"NIM1970988","token_address":"0x2a553d0577d5bc1fece6e511a425b60d35b9b867","type":"artist","uuid":"f8aff42c-0248-4c58-b8c6-29f2b7ed257c"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd811ed12c2f32ac34ed410f4ad23a71e36ea79b2869b1870ca9b51eaadd8553d. Chain 2 (Bitcoin): anchored in block 954729 (2026-06-21T18:16:07Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f8aff42c-0248-4c58-b8c6-29f2b7ed257c.json and https://artists.proofprofile.net/proofs/artist/f8aff42c-0248-4c58-b8c6-29f2b7ed257c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T18:16:07Z
  text: {"copyright_id":"0xd811ed12c2f32ac34ed410f4ad23a71e36ea79b2869b1870ca9b51eaadd8553d","name":"Missing Link","registered_at":"2026-06-21T16:21:19Z","symbol":"NIM1970988","token_address":"0x2a553d0577d5bc1fece6e511a425b60d35b9b867","type":"artist","uuid":"f8aff42c-0248-4c58-b8c6-29f2b7ed257c"}
album: Nevergreen
  type: MusicAlbum
  date published: 1972-09-02
  track: Spoiled Love
    type: MusicRecording
    duration: PT5M24S
    duration ms: 324093
    explicit: false
    by artist: Missing Link
    in album: Nevergreen
      type: MusicAlbum
      date published: 1972-09-02
    genre: krautrock
    genre: progressive rock
    isrc code: CA5KR0000578
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T05:22:26+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x268eceeafc14e813ed77ea054a34e557a05ad34aed402ffbfcdd12656e90752c
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956484
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956484
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR0000578
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T10:47:44Z
    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 0x268eceeafc14e813ed77ea054a34e557a05ad34aed402ffbfcdd12656e90752c. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/CA5KR0000578.
      date published: 2026-07-03T10:47:44Z
    audio: Spoiled Love
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 79.498
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.262
      additional property: Energy
        type: PropertyValue
        value: 0.514
      additional property: Speechiness
        type: PropertyValue
        value: 0.035
      additional property: Acousticness
        type: PropertyValue
        value: 0.051
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.197
      additional property: Liveness
        type: PropertyValue
        value: 0.073
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.341
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.113
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Minor