Wurlitzer IX Nickelodeon
type: MusicGroup
genre: ragtime
popularity: 3
followers: 147
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xffe97f437f72adc73a88b7ba1c2fd85fc952b8ad172b3c64a3eee688ad51426e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953885
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953885
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0bf5d830-64cb-4bdb-8670-dcfc4539bfe6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0bf5d830-64cb-4bdb-8670-dcfc4539bfe6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0bf5d830-64cb-4bdb-8670-dcfc4539bfe6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T04:12:47Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xffe97f437f72adc73a88b7ba1c2fd85fc952b8ad172b3c64a3eee688ad51426e","name":"Wurlitzer IX Nickelodeon","registered_at":"2026-06-15T17:40:45Z","symbol":"NIM0782896","token_address":"0xd5b811a6084d4e0d474c3b5d27eccea2be85eef2","type":"artist","uuid":"0bf5d830-64cb-4bdb-8670-dcfc4539bfe6"}
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 0xffe97f437f72adc73a88b7ba1c2fd85fc952b8ad172b3c64a3eee688ad51426e. Chain 2 (Bitcoin): anchored in block 953885 (2026-06-16T04:12:47Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0bf5d830-64cb-4bdb-8670-dcfc4539bfe6.json and https://artists.proofprofile.net/proofs/artist/0bf5d830-64cb-4bdb-8670-dcfc4539bfe6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T04:12:47Z
  text: {"copyright_id":"0xffe97f437f72adc73a88b7ba1c2fd85fc952b8ad172b3c64a3eee688ad51426e","name":"Wurlitzer IX Nickelodeon","registered_at":"2026-06-15T17:40:45Z","symbol":"NIM0782896","token_address":"0xd5b811a6084d4e0d474c3b5d27eccea2be85eef2","type":"artist","uuid":"0bf5d830-64cb-4bdb-8670-dcfc4539bfe6"}
album: The World's Most Beautiful Barroom Piano, Vol. 2
  type: MusicAlbum
  date published: 2009-03-26
album: The World's Most Beautiful Barroom Piano
  type: MusicAlbum
  date published: 2009-04-19