Edwin Valfier
type: MusicGroup
genre: banda
popularity: 13
followers: 306
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x446fa248a49cdc9cd51d77d7860a061bf1cb5d0fc8f9ff5c6bbe4360171d2a47
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953743
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953743
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a23e3263-fac2-4b82-a6c7-d83fbd76cee7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a23e3263-fac2-4b82-a6c7-d83fbd76cee7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a23e3263-fac2-4b82-a6c7-d83fbd76cee7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T04:52:01Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x446fa248a49cdc9cd51d77d7860a061bf1cb5d0fc8f9ff5c6bbe4360171d2a47","name":"Edwin Valfier","registered_at":"2026-06-14T21:37:03Z","symbol":"NIM0583854","token_address":"0x90ff9e35b8bde56b4e30f5bb9870e39e885e8fe3","type":"artist","uuid":"a23e3263-fac2-4b82-a6c7-d83fbd76cee7"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x446fa248a49cdc9cd51d77d7860a061bf1cb5d0fc8f9ff5c6bbe4360171d2a47. Chain 2 (Bitcoin): anchored in block 953743 (2026-06-15T04:52:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a23e3263-fac2-4b82-a6c7-d83fbd76cee7.json and https://artists.proofprofile.net/proofs/artist/a23e3263-fac2-4b82-a6c7-d83fbd76cee7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:52:01Z
  text: {"copyright_id":"0x446fa248a49cdc9cd51d77d7860a061bf1cb5d0fc8f9ff5c6bbe4360171d2a47","name":"Edwin Valfier","registered_at":"2026-06-14T21:37:03Z","symbol":"NIM0583854","token_address":"0x90ff9e35b8bde56b4e30f5bb9870e39e885e8fe3","type":"artist","uuid":"a23e3263-fac2-4b82-a6c7-d83fbd76cee7"}
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