Cia Lúdica
type: MusicGroup
genre: lullaby
popularity: 7
followers: 629
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3711a8ad7cf618c91f2c27911e973a6a3f8a1539a520b56cb93baa45380e9056
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6cacf7a2-b2fb-434d-9d2d-6bdd89bb3cdd.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6cacf7a2-b2fb-434d-9d2d-6bdd89bb3cdd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6cacf7a2-b2fb-434d-9d2d-6bdd89bb3cdd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3711a8ad7cf618c91f2c27911e973a6a3f8a1539a520b56cb93baa45380e9056","name":"Cia Lúdica","registered_at":"2026-06-17T03:29:15Z","symbol":"NIM1266992","token_address":"0xa3a70f5e09eead86203e480c7b3cb3ad1f662e0d","type":"artist","uuid":"6cacf7a2-b2fb-434d-9d2d-6bdd89bb3cdd"}
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 0x3711a8ad7cf618c91f2c27911e973a6a3f8a1539a520b56cb93baa45380e9056. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6cacf7a2-b2fb-434d-9d2d-6bdd89bb3cdd.json and https://artists.proofprofile.net/proofs/artist/6cacf7a2-b2fb-434d-9d2d-6bdd89bb3cdd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x3711a8ad7cf618c91f2c27911e973a6a3f8a1539a520b56cb93baa45380e9056","name":"Cia Lúdica","registered_at":"2026-06-17T03:29:15Z","symbol":"NIM1266992","token_address":"0xa3a70f5e09eead86203e480c7b3cb3ad1f662e0d","type":"artist","uuid":"6cacf7a2-b2fb-434d-9d2d-6bdd89bb3cdd"}
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