OK Choral
type: MusicGroup
genre: french house
genre: french pop
popularity: 2
followers: 133
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9ac63c4027ba00b23f524524258c3f4938932d8a46648b8b5ecd1f44cf3a2723
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4a3a1b9d-5076-4db8-84fb-33782d565808.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4a3a1b9d-5076-4db8-84fb-33782d565808.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4a3a1b9d-5076-4db8-84fb-33782d565808
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9ac63c4027ba00b23f524524258c3f4938932d8a46648b8b5ecd1f44cf3a2723","name":"OK Choral","registered_at":"2026-06-16T15:29:24Z","symbol":"NIM1095249","token_address":"0x318f0cf82c4f936f7ee3cce5a32a9d9b5b68362c","type":"artist","uuid":"4a3a1b9d-5076-4db8-84fb-33782d565808"}
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 0x9ac63c4027ba00b23f524524258c3f4938932d8a46648b8b5ecd1f44cf3a2723. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4a3a1b9d-5076-4db8-84fb-33782d565808.json and https://artists.proofprofile.net/proofs/artist/4a3a1b9d-5076-4db8-84fb-33782d565808.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x9ac63c4027ba00b23f524524258c3f4938932d8a46648b8b5ecd1f44cf3a2723","name":"OK Choral","registered_at":"2026-06-16T15:29:24Z","symbol":"NIM1095249","token_address":"0x318f0cf82c4f936f7ee3cce5a32a9d9b5b68362c","type":"artist","uuid":"4a3a1b9d-5076-4db8-84fb-33782d565808"}
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