Hourra Chansons Pour Enfants
type: MusicGroup
genre: lullaby
popularity: 3
followers: 53
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa6e84eaa278274ae68b6655612dbd0af09cdb528a28b72f23f3960445cb54bb9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953996
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953996
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/30003c51-721e-40a0-9870-e6798bc951a9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/30003c51-721e-40a0-9870-e6798bc951a9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/30003c51-721e-40a0-9870-e6798bc951a9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T20:04:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa6e84eaa278274ae68b6655612dbd0af09cdb528a28b72f23f3960445cb54bb9","name":"Hourra Chansons Pour Enfants","registered_at":"2026-06-16T06:17:24Z","symbol":"NIM0963506","token_address":"0xc73a479b8681040f97f7389a0e3d54b517697ae7","type":"artist","uuid":"30003c51-721e-40a0-9870-e6798bc951a9"}
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 0xa6e84eaa278274ae68b6655612dbd0af09cdb528a28b72f23f3960445cb54bb9. Chain 2 (Bitcoin): anchored in block 953996 (2026-06-16T20:04:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/30003c51-721e-40a0-9870-e6798bc951a9.json and https://artists.proofprofile.net/proofs/artist/30003c51-721e-40a0-9870-e6798bc951a9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:04:35Z
  text: {"copyright_id":"0xa6e84eaa278274ae68b6655612dbd0af09cdb528a28b72f23f3960445cb54bb9","name":"Hourra Chansons Pour Enfants","registered_at":"2026-06-16T06:17:24Z","symbol":"NIM0963506","token_address":"0xc73a479b8681040f97f7389a0e3d54b517697ae7","type":"artist","uuid":"30003c51-721e-40a0-9870-e6798bc951a9"}
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