Facundo Díaz Y Sus Amigos
type: MusicGroup
genre: folklore argentino
genre: tango
popularity: 2
followers: 42
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4099bf7c5d2b20d72650935bd282be142cd6e2de9c5f891c2d27c834b2a15457
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4a608909-263b-4f69-88ca-2bcab6f5245b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4a608909-263b-4f69-88ca-2bcab6f5245b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4a608909-263b-4f69-88ca-2bcab6f5245b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4099bf7c5d2b20d72650935bd282be142cd6e2de9c5f891c2d27c834b2a15457","name":"Facundo Díaz Y Sus Amigos","registered_at":"2026-06-16T15:32:40Z","symbol":"NIM1096025","token_address":"0x5e399780d2428ec10badbb5155174f1871b367bf","type":"artist","uuid":"4a608909-263b-4f69-88ca-2bcab6f5245b"}
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 0x4099bf7c5d2b20d72650935bd282be142cd6e2de9c5f891c2d27c834b2a15457. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4a608909-263b-4f69-88ca-2bcab6f5245b.json and https://artists.proofprofile.net/proofs/artist/4a608909-263b-4f69-88ca-2bcab6f5245b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x4099bf7c5d2b20d72650935bd282be142cd6e2de9c5f891c2d27c834b2a15457","name":"Facundo Díaz Y Sus Amigos","registered_at":"2026-06-16T15:32:40Z","symbol":"NIM1096025","token_address":"0x5e399780d2428ec10badbb5155174f1871b367bf","type":"artist","uuid":"4a608909-263b-4f69-88ca-2bcab6f5245b"}
album: El Carnavalito: Viva Jujuy
  type: MusicAlbum
  date published: 1998
album: Cafetin De Buenos Aires
  type: MusicAlbum
  date published: 1999