Rebecca Margaret Cook
type: MusicGroup
popularity: 2
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1da795fc3a15a28d41a7d769e087d834428f2c66de175275033a4a9e6a32b143
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b3add593-58fb-4951-8a7a-a1ce82830398.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b3add593-58fb-4951-8a7a-a1ce82830398.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b3add593-58fb-4951-8a7a-a1ce82830398
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1da795fc3a15a28d41a7d769e087d834428f2c66de175275033a4a9e6a32b143","name":"Rebecca Margaret Cook","registered_at":"2026-06-20T13:35:36Z","symbol":"NIM1622738","token_address":"0xd11d94d17d19f86e5c5c293eb4b0173e04d2c1f2","type":"artist","uuid":"b3add593-58fb-4951-8a7a-a1ce82830398"}
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 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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1da795fc3a15a28d41a7d769e087d834428f2c66de175275033a4a9e6a32b143. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b3add593-58fb-4951-8a7a-a1ce82830398.json and https://artists.proofprofile.net/proofs/artist/b3add593-58fb-4951-8a7a-a1ce82830398.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x1da795fc3a15a28d41a7d769e087d834428f2c66de175275033a4a9e6a32b143","name":"Rebecca Margaret Cook","registered_at":"2026-06-20T13:35:36Z","symbol":"NIM1622738","token_address":"0xd11d94d17d19f86e5c5c293eb4b0173e04d2c1f2","type":"artist","uuid":"b3add593-58fb-4951-8a7a-a1ce82830398"}