Grupo Retorno
type: MusicGroup
popularity: 2
followers: 68
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3bc6d0871b4d98766c1c413fb331ab5d851209552b05d7b9d6bd0d1b438e0f7d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954139
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954139
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7fd99610-a654-423f-8691-3bd256b16125.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7fd99610-a654-423f-8691-3bd256b16125.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7fd99610-a654-423f-8691-3bd256b16125
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T21:12:18Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3bc6d0871b4d98766c1c413fb331ab5d851209552b05d7b9d6bd0d1b438e0f7d","name":"Grupo Retorno","registered_at":"2026-06-17T10:12:58Z","symbol":"NIM1363279","token_address":"0x193fd6dc91287c7b7d782fe94b507cf09d20854b","type":"artist","uuid":"7fd99610-a654-423f-8691-3bd256b16125"}
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 0x3bc6d0871b4d98766c1c413fb331ab5d851209552b05d7b9d6bd0d1b438e0f7d. Chain 2 (Bitcoin): anchored in block 954139 (2026-06-17T21:12:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7fd99610-a654-423f-8691-3bd256b16125.json and https://artists.proofprofile.net/proofs/artist/7fd99610-a654-423f-8691-3bd256b16125.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T21:12:18Z
  text: {"copyright_id":"0x3bc6d0871b4d98766c1c413fb331ab5d851209552b05d7b9d6bd0d1b438e0f7d","name":"Grupo Retorno","registered_at":"2026-06-17T10:12:58Z","symbol":"NIM1363279","token_address":"0x193fd6dc91287c7b7d782fe94b507cf09d20854b","type":"artist","uuid":"7fd99610-a654-423f-8691-3bd256b16125"}
album: Tú Me Robaste el Corazón
  type: MusicAlbum
  date published: 2020-02-07
album: Con Esta Cumbia
  type: MusicAlbum
  date published: 2021-12-19
album: Eras Tú
  type: MusicAlbum
  date published: 2023-07-14
album: Si No Regresas
  type: MusicAlbum
  date published: 2023-11-15
album: Tazo Dorado
  type: MusicAlbum
  date published: 2024-11-02
album: La Cumbia Ti Ti Ti
  type: MusicAlbum
  date published: 2025-04-18