And Cowboys
type: MusicGroup
popularity: 11
followers: 506
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd893c80f86c1ad7499a74323de5dc357a351a2ffdd09a622ea5d8c78d41d924a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953618
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953618
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1cb7c945-1169-4721-960b-b9cccea86a81.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1cb7c945-1169-4721-960b-b9cccea86a81.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1cb7c945-1169-4721-960b-b9cccea86a81
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T09:16:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd893c80f86c1ad7499a74323de5dc357a351a2ffdd09a622ea5d8c78d41d924a","name":"And Cowboys","registered_at":"2026-06-14T07:27:34Z","symbol":"NIM0381250","token_address":"0x402012b6ab7495bd43e33544009825c43b31bcb6","type":"artist","uuid":"1cb7c945-1169-4721-960b-b9cccea86a81"}
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 0xd893c80f86c1ad7499a74323de5dc357a351a2ffdd09a622ea5d8c78d41d924a. Chain 2 (Bitcoin): anchored in block 953618 (2026-06-14T09:16:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1cb7c945-1169-4721-960b-b9cccea86a81.json and https://artists.proofprofile.net/proofs/artist/1cb7c945-1169-4721-960b-b9cccea86a81.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T09:16:10Z
  text: {"copyright_id":"0xd893c80f86c1ad7499a74323de5dc357a351a2ffdd09a622ea5d8c78d41d924a","name":"And Cowboys","registered_at":"2026-06-14T07:27:34Z","symbol":"NIM0381250","token_address":"0x402012b6ab7495bd43e33544009825c43b31bcb6","type":"artist","uuid":"1cb7c945-1169-4721-960b-b9cccea86a81"}
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