Canção de ninar
type: MusicGroup
popularity: 12
followers: 848
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd9edc8e3a51370583469e98422079e8a1eeae3e9398209dc2e7f6bce177f42ec
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953616
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953616
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/189d6832-6915-464c-a3d9-219bf411e6d5.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/189d6832-6915-464c-a3d9-219bf411e6d5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/189d6832-6915-464c-a3d9-219bf411e6d5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T08:58:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd9edc8e3a51370583469e98422079e8a1eeae3e9398209dc2e7f6bce177f42ec","name":"Canção de ninar","registered_at":"2026-06-14T07:06:14Z","symbol":"NIM0376160","token_address":"0x037002d81d5962d113803ee18686523d9c3ef093","type":"artist","uuid":"189d6832-6915-464c-a3d9-219bf411e6d5"}
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 0xd9edc8e3a51370583469e98422079e8a1eeae3e9398209dc2e7f6bce177f42ec. Chain 2 (Bitcoin): anchored in block 953616 (2026-06-14T08:58:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/189d6832-6915-464c-a3d9-219bf411e6d5.json and https://artists.proofprofile.net/proofs/artist/189d6832-6915-464c-a3d9-219bf411e6d5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T08:58:35Z
  text: {"copyright_id":"0xd9edc8e3a51370583469e98422079e8a1eeae3e9398209dc2e7f6bce177f42ec","name":"Canção de ninar","registered_at":"2026-06-14T07:06:14Z","symbol":"NIM0376160","token_address":"0x037002d81d5962d113803ee18686523d9c3ef093","type":"artist","uuid":"189d6832-6915-464c-a3d9-219bf411e6d5"}
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  type: MusicAlbum
  date published: 2011-06-03
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  type: MusicAlbum
  date published: 2019-03-02
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  type: MusicAlbum
  date published: 2019-08-16
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  type: MusicAlbum
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  type: MusicAlbum
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