Marcos Pereyra
type: MusicGroup
genre: folklore argentino
popularity: 9
followers: 650
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4c5d50450489dcd132da7a29c88ea6d1949bce7e174b1647436125837a7740ec
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953980
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953980
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2c32e18b-a03b-4417-8522-878f0cbd9a57.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2c32e18b-a03b-4417-8522-878f0cbd9a57.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2c32e18b-a03b-4417-8522-878f0cbd9a57
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T17:16:51Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4c5d50450489dcd132da7a29c88ea6d1949bce7e174b1647436125837a7740ec","name":"Marcos Pereyra","registered_at":"2026-06-16T04:59:56Z","symbol":"NIM0945003","token_address":"0xc91a7f2cf1cc23b0ef69d8bc1b3bc3d620108e47","type":"artist","uuid":"2c32e18b-a03b-4417-8522-878f0cbd9a57"}
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 0x4c5d50450489dcd132da7a29c88ea6d1949bce7e174b1647436125837a7740ec. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2c32e18b-a03b-4417-8522-878f0cbd9a57.json and https://artists.proofprofile.net/proofs/artist/2c32e18b-a03b-4417-8522-878f0cbd9a57.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
  text: {"copyright_id":"0x4c5d50450489dcd132da7a29c88ea6d1949bce7e174b1647436125837a7740ec","name":"Marcos Pereyra","registered_at":"2026-06-16T04:59:56Z","symbol":"NIM0945003","token_address":"0xc91a7f2cf1cc23b0ef69d8bc1b3bc3d620108e47","type":"artist","uuid":"2c32e18b-a03b-4417-8522-878f0cbd9a57"}
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