Supporters Barcelona
type: MusicGroup
popularity: 10
followers: 2544
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9d80e325b5e921075ea3c825dc5dd4c7b1f77c6c40ebef3918c5f918ae37dcef
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953851
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953851
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/026118f4-8f98-4119-9dc1-8d2fbe9c587a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/026118f4-8f98-4119-9dc1-8d2fbe9c587a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/026118f4-8f98-4119-9dc1-8d2fbe9c587a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T23:06:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9d80e325b5e921075ea3c825dc5dd4c7b1f77c6c40ebef3918c5f918ae37dcef","name":"Supporters Barcelona","registered_at":"2026-06-15T14:18:06Z","symbol":"NIM0734519","token_address":"0x0e0f1ad4c33c0092880fe54eb28f9527721fb3a3","type":"artist","uuid":"026118f4-8f98-4119-9dc1-8d2fbe9c587a"}
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 0x9d80e325b5e921075ea3c825dc5dd4c7b1f77c6c40ebef3918c5f918ae37dcef. Chain 2 (Bitcoin): anchored in block 953852 (2026-06-15T23:13:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/026118f4-8f98-4119-9dc1-8d2fbe9c587a.json and https://artists.proofprofile.net/proofs/artist/026118f4-8f98-4119-9dc1-8d2fbe9c587a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T23:13:02Z
  text: {"copyright_id":"0x9d80e325b5e921075ea3c825dc5dd4c7b1f77c6c40ebef3918c5f918ae37dcef","name":"Supporters Barcelona","registered_at":"2026-06-15T14:18:06Z","symbol":"NIM0734519","token_address":"0x0e0f1ad4c33c0092880fe54eb28f9527721fb3a3","type":"artist","uuid":"026118f4-8f98-4119-9dc1-8d2fbe9c587a"}
album: Anthem and Songs of the Barcelona Football Club (FCB) Fans
  type: MusicAlbum
  date published: 2013-02-19
album: Cants de l'Afició del F.C. Barcelona - Single
  type: MusicAlbum
  date published: 2013-02-19
album: Himno y Cantos de la Afición del F.C. Barcelona - Single
  type: MusicAlbum
  date published: 2013-02-19
album: Hymne et chants des supporters du F.C. Barcelona - Single
  type: MusicAlbum
  date published: 2013-02-19
album: Hymne und fangesänge der anhänger des F.C. Barcelona - Single
  type: MusicAlbum
  date published: 2013-02-19