Victor Sierra
type: MusicGroup
genre: dark cabaret
popularity: 5
followers: 800
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc0dd9de6170e0a2415deccc97c7f2f91d7356ebf7ea7f709a47c309823e0560b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953875
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953875
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0813c735-70f9-403f-acff-fb59bad831f3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0813c735-70f9-403f-acff-fb59bad831f3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0813c735-70f9-403f-acff-fb59bad831f3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T02:12:46Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc0dd9de6170e0a2415deccc97c7f2f91d7356ebf7ea7f709a47c309823e0560b","name":"Victor Sierra","registered_at":"2026-06-15T16:25:11Z","symbol":"NIM0764858","token_address":"0x7348ef9721b983278449994dbd914f2f7d37fbdf","type":"artist","uuid":"0813c735-70f9-403f-acff-fb59bad831f3"}
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 0xc0dd9de6170e0a2415deccc97c7f2f91d7356ebf7ea7f709a47c309823e0560b. Chain 2 (Bitcoin): anchored in block 953875 (2026-06-16T02:12:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0813c735-70f9-403f-acff-fb59bad831f3.json and https://artists.proofprofile.net/proofs/artist/0813c735-70f9-403f-acff-fb59bad831f3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T02:12:46Z
  text: {"copyright_id":"0xc0dd9de6170e0a2415deccc97c7f2f91d7356ebf7ea7f709a47c309823e0560b","name":"Victor Sierra","registered_at":"2026-06-15T16:25:11Z","symbol":"NIM0764858","token_address":"0x7348ef9721b983278449994dbd914f2f7d37fbdf","type":"artist","uuid":"0813c735-70f9-403f-acff-fb59bad831f3"}
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