The Black Lab
type: MusicGroup
popularity: 2
followers: 67
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc2d8758006fa175a94c48db6acfa8f4c65e85cd6f49e8a22be20f924c8b2eebf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953907
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953907
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1626eb8d-b4a7-429e-8be8-92a01f23a503.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1626eb8d-b4a7-429e-8be8-92a01f23a503.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1626eb8d-b4a7-429e-8be8-92a01f23a503
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T07:39:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc2d8758006fa175a94c48db6acfa8f4c65e85cd6f49e8a22be20f924c8b2eebf","name":"The Black Lab","registered_at":"2026-06-15T21:19:07Z","symbol":"NIM0834970","token_address":"0xe19029de14eb2c99100ef2fc8a0ebbc81699f4ed","type":"artist","uuid":"1626eb8d-b4a7-429e-8be8-92a01f23a503"}
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 0xc2d8758006fa175a94c48db6acfa8f4c65e85cd6f49e8a22be20f924c8b2eebf. Chain 2 (Bitcoin): anchored in block 953907 (2026-06-16T07:39:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1626eb8d-b4a7-429e-8be8-92a01f23a503.json and https://artists.proofprofile.net/proofs/artist/1626eb8d-b4a7-429e-8be8-92a01f23a503.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:39:24Z
  text: {"copyright_id":"0xc2d8758006fa175a94c48db6acfa8f4c65e85cd6f49e8a22be20f924c8b2eebf","name":"The Black Lab","registered_at":"2026-06-15T21:19:07Z","symbol":"NIM0834970","token_address":"0xe19029de14eb2c99100ef2fc8a0ebbc81699f4ed","type":"artist","uuid":"1626eb8d-b4a7-429e-8be8-92a01f23a503"}
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