Fede Comin
type: MusicGroup
genre: singer-songwriter
genre: trova
popularity: 9
followers: 1275
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x620e106519f0bb0f8f6464de5d94ebecf8755fee164e78ced68e10e90f3ff776
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954573
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954573
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b4f76d5c-a83b-43da-95db-808e46011585.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b4f76d5c-a83b-43da-95db-808e46011585.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b4f76d5c-a83b-43da-95db-808e46011585
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T15:45:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x620e106519f0bb0f8f6464de5d94ebecf8755fee164e78ced68e10e90f3ff776","name":"Fede Comin","registered_at":"2026-06-20T14:25:59Z","symbol":"NIM1631250","token_address":"0x08497eaff31483e3cc8827458d3bb971d28d4569","type":"artist","uuid":"b4f76d5c-a83b-43da-95db-808e46011585"}
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 0x620e106519f0bb0f8f6464de5d94ebecf8755fee164e78ced68e10e90f3ff776. Chain 2 (Bitcoin): anchored in block 954573 (2026-06-20T15:45:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b4f76d5c-a83b-43da-95db-808e46011585.json and https://artists.proofprofile.net/proofs/artist/b4f76d5c-a83b-43da-95db-808e46011585.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T15:45:29Z
  text: {"copyright_id":"0x620e106519f0bb0f8f6464de5d94ebecf8755fee164e78ced68e10e90f3ff776","name":"Fede Comin","registered_at":"2026-06-20T14:25:59Z","symbol":"NIM1631250","token_address":"0x08497eaff31483e3cc8827458d3bb971d28d4569","type":"artist","uuid":"b4f76d5c-a83b-43da-95db-808e46011585"}
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2017-05-25
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  type: MusicAlbum
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