CU4TRO PISO
type: MusicGroup
popularity: 3
followers: 332
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x580a0b9a7f9b4e4c217e0cfee4e3d4a27650977c6e14717c0c0d820d37c79995
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954593
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954593
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bf02fe58-1b40-4b96-b0a7-1fbc0e6dc2ef.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bf02fe58-1b40-4b96-b0a7-1fbc0e6dc2ef.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/bf02fe58-1b40-4b96-b0a7-1fbc0e6dc2ef
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T19:46:01Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x580a0b9a7f9b4e4c217e0cfee4e3d4a27650977c6e14717c0c0d820d37c79995","name":"CU4TRO PISO","registered_at":"2026-06-20T18:27:37Z","symbol":"NIM1678657","token_address":"0x22a9f7b96b4655723fd6bda79056d3fe1e985985","type":"artist","uuid":"bf02fe58-1b40-4b96-b0a7-1fbc0e6dc2ef"}
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 0x580a0b9a7f9b4e4c217e0cfee4e3d4a27650977c6e14717c0c0d820d37c79995. Chain 2 (Bitcoin): anchored in block 954593 (2026-06-20T19:46:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bf02fe58-1b40-4b96-b0a7-1fbc0e6dc2ef.json and https://artists.proofprofile.net/proofs/artist/bf02fe58-1b40-4b96-b0a7-1fbc0e6dc2ef.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T19:46:01Z
  text: {"copyright_id":"0x580a0b9a7f9b4e4c217e0cfee4e3d4a27650977c6e14717c0c0d820d37c79995","name":"CU4TRO PISO","registered_at":"2026-06-20T18:27:37Z","symbol":"NIM1678657","token_address":"0x22a9f7b96b4655723fd6bda79056d3fe1e985985","type":"artist","uuid":"bf02fe58-1b40-4b96-b0a7-1fbc0e6dc2ef"}
album: HABITUDES
  type: MusicAlbum
  date published: 2022-03-25
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  type: MusicAlbum
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  type: MusicAlbum
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