Piano Instrumental
type: MusicGroup
popularity: 10
followers: 178
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x46bbe9d6a7d6c7c81b03db60d27090abb622f4d14e602f1aaa633c9a520de691
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954004
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954004
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/32fa6ec0-d31f-45ea-b40e-30088bf46000.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/32fa6ec0-d31f-45ea-b40e-30088bf46000.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/32fa6ec0-d31f-45ea-b40e-30088bf46000
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T21:01:04Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x46bbe9d6a7d6c7c81b03db60d27090abb622f4d14e602f1aaa633c9a520de691","name":"Piano Instrumental","registered_at":"2026-06-16T07:19:15Z","symbol":"NIM0978284","token_address":"0x25c657bf5b19ef4baf2e88ed50bd21684d690c0b","type":"artist","uuid":"32fa6ec0-d31f-45ea-b40e-30088bf46000"}
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 0x46bbe9d6a7d6c7c81b03db60d27090abb622f4d14e602f1aaa633c9a520de691. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/32fa6ec0-d31f-45ea-b40e-30088bf46000.json and https://artists.proofprofile.net/proofs/artist/32fa6ec0-d31f-45ea-b40e-30088bf46000.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
  text: {"copyright_id":"0x46bbe9d6a7d6c7c81b03db60d27090abb622f4d14e602f1aaa633c9a520de691","name":"Piano Instrumental","registered_at":"2026-06-16T07:19:15Z","symbol":"NIM0978284","token_address":"0x25c657bf5b19ef4baf2e88ed50bd21684d690c0b","type":"artist","uuid":"32fa6ec0-d31f-45ea-b40e-30088bf46000"}
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