The Harp Players
type: MusicGroup
genre: lullaby
popularity: 40
followers: 984
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1cbe46ed920986ffd8ad92dc323690afd99a40527af0e6a33df1db5468557ce7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/436a054a-be5b-4f6b-8dbb-d20805741127.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/436a054a-be5b-4f6b-8dbb-d20805741127.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/436a054a-be5b-4f6b-8dbb-d20805741127
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1cbe46ed920986ffd8ad92dc323690afd99a40527af0e6a33df1db5468557ce7","name":"The Harp Players","registered_at":"2026-06-11T18:35:39Z","symbol":"NIM0087747","token_address":"0xa8abd2a25b87411202439c7827c8df0e2cdd8c4d","type":"artist","uuid":"436a054a-be5b-4f6b-8dbb-d20805741127"}
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 0x1cbe46ed920986ffd8ad92dc323690afd99a40527af0e6a33df1db5468557ce7. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/436a054a-be5b-4f6b-8dbb-d20805741127.json and https://artists.proofprofile.net/proofs/artist/436a054a-be5b-4f6b-8dbb-d20805741127.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0x1cbe46ed920986ffd8ad92dc323690afd99a40527af0e6a33df1db5468557ce7","name":"The Harp Players","registered_at":"2026-06-11T18:35:39Z","symbol":"NIM0087747","token_address":"0xa8abd2a25b87411202439c7827c8df0e2cdd8c4d","type":"artist","uuid":"436a054a-be5b-4f6b-8dbb-d20805741127"}
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