Opera in Concert
type: MusicGroup
genre: opera
popularity: 26
followers: 323
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9ec0a9038d7d4c81b5f9580ed1d9c6d9d48bcf3c1d18d7cf8356f4104fbad253
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4806b80d-1572-4629-8acc-e2f99a4bc1ff.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4806b80d-1572-4629-8acc-e2f99a4bc1ff.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4806b80d-1572-4629-8acc-e2f99a4bc1ff
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9ec0a9038d7d4c81b5f9580ed1d9c6d9d48bcf3c1d18d7cf8356f4104fbad253","name":"Opera in Concert","registered_at":"2026-06-11T18:58:01Z","symbol":"NIM0092763","token_address":"0x4d22bc9fb2261d43d793a648fb3a7cbde742f771","type":"artist","uuid":"4806b80d-1572-4629-8acc-e2f99a4bc1ff"}
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 0x9ec0a9038d7d4c81b5f9580ed1d9c6d9d48bcf3c1d18d7cf8356f4104fbad253. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4806b80d-1572-4629-8acc-e2f99a4bc1ff.json and https://artists.proofprofile.net/proofs/artist/4806b80d-1572-4629-8acc-e2f99a4bc1ff.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x9ec0a9038d7d4c81b5f9580ed1d9c6d9d48bcf3c1d18d7cf8356f4104fbad253","name":"Opera in Concert","registered_at":"2026-06-11T18:58:01Z","symbol":"NIM0092763","token_address":"0x4d22bc9fb2261d43d793a648fb3a7cbde742f771","type":"artist","uuid":"4806b80d-1572-4629-8acc-e2f99a4bc1ff"}
album: Handel: Rinaldo
  type: MusicAlbum
  date published: 2006-02-21