Villa Crespo
type: MusicGroup
description: thumb|200px|right|Church of St. Joseph, Villa Crespo. Villa Crespo is a middle class neighborhood in Buenos Aires, Argentina, located in the geographical center of the city. It had a population of 83,
popularity: 16
followers: 21
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xad33dde39b7ca0463ebd72d4cf4e7494ca40305c89c1915d793249a4c5406216
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953625
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953625
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/28f31481-218c-4a64-91e9-a3e16bbaa79d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/28f31481-218c-4a64-91e9-a3e16bbaa79d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/28f31481-218c-4a64-91e9-a3e16bbaa79d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T11:37:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xad33dde39b7ca0463ebd72d4cf4e7494ca40305c89c1915d793249a4c5406216","name":"Villa Crespo","registered_at":"2026-06-14T08:46:03Z","symbol":"NIM0399967","token_address":"0x2efdf92ebe0a14f51d648b88d367727332b06093","type":"artist","uuid":"28f31481-218c-4a64-91e9-a3e16bbaa79d"}
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 0xad33dde39b7ca0463ebd72d4cf4e7494ca40305c89c1915d793249a4c5406216. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/28f31481-218c-4a64-91e9-a3e16bbaa79d.json and https://artists.proofprofile.net/proofs/artist/28f31481-218c-4a64-91e9-a3e16bbaa79d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T11:41:45Z
  text: {"copyright_id":"0xad33dde39b7ca0463ebd72d4cf4e7494ca40305c89c1915d793249a4c5406216","name":"Villa Crespo","registered_at":"2026-06-14T08:46:03Z","symbol":"NIM0399967","token_address":"0x2efdf92ebe0a14f51d648b88d367727332b06093","type":"artist","uuid":"28f31481-218c-4a64-91e9-a3e16bbaa79d"}
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