Sydney Thompson & His Orchestra
type: MusicGroup
genre: tango
popularity: 3
followers: 58
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xed954837d38f38e8573800813bf494d9323d86153b9eda2fe846cfcc3dfb936f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954513
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a07fae3a-c137-4b73-8477-aa2103c3931e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a07fae3a-c137-4b73-8477-aa2103c3931e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a07fae3a-c137-4b73-8477-aa2103c3931e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T06:31:18Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xed954837d38f38e8573800813bf494d9323d86153b9eda2fe846cfcc3dfb936f","name":"Sydney Thompson & His Orchestra","registered_at":"2026-06-20T05:12:21Z","symbol":"NIM1526012","token_address":"0x55f988188a6eb3349bcd26a0b6a687d2bff67a7c","type":"artist","uuid":"a07fae3a-c137-4b73-8477-aa2103c3931e"}
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 0xed954837d38f38e8573800813bf494d9323d86153b9eda2fe846cfcc3dfb936f. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a07fae3a-c137-4b73-8477-aa2103c3931e.json and https://artists.proofprofile.net/proofs/artist/a07fae3a-c137-4b73-8477-aa2103c3931e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T06:31:18Z
  text: {"copyright_id":"0xed954837d38f38e8573800813bf494d9323d86153b9eda2fe846cfcc3dfb936f","name":"Sydney Thompson & His Orchestra","registered_at":"2026-06-20T05:12:21Z","symbol":"NIM1526012","token_address":"0x55f988188a6eb3349bcd26a0b6a687d2bff67a7c","type":"artist","uuid":"a07fae3a-c137-4b73-8477-aa2103c3931e"}
album: Old Time Dancing
  type: MusicAlbum
  date published: 2000-01-01
album: Take Your Partners
  type: MusicAlbum
  date published: 2000-01-01
album: Old Tyme Dancing
  type: MusicAlbum
  date published: 2000-01-01
album: Sing & Dance with Sydney Thompson
  type: MusicAlbum
  date published: 2015-01-21