Piano Aria
type: MusicGroup
popularity: 3
followers: 44
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9f4ea6ff8a8f66a2cfaf668537c354b9b77b97a833116db478738cd52446071c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953954
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953954
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/25395afa-6faf-4866-a6c5-2a8d654895a6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/25395afa-6faf-4866-a6c5-2a8d654895a6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/25395afa-6faf-4866-a6c5-2a8d654895a6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T14:18:37Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9f4ea6ff8a8f66a2cfaf668537c354b9b77b97a833116db478738cd52446071c","name":"Piano Aria","registered_at":"2026-06-16T02:31:08Z","symbol":"NIM0909468","token_address":"0x723984c773ed6a2ca811f93f69c8cf6c14f99649","type":"artist","uuid":"25395afa-6faf-4866-a6c5-2a8d654895a6"}
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 0x9f4ea6ff8a8f66a2cfaf668537c354b9b77b97a833116db478738cd52446071c. Chain 2 (Bitcoin): anchored in block 953954 (2026-06-16T14:18:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/25395afa-6faf-4866-a6c5-2a8d654895a6.json and https://artists.proofprofile.net/proofs/artist/25395afa-6faf-4866-a6c5-2a8d654895a6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T14:18:37Z
  text: {"copyright_id":"0x9f4ea6ff8a8f66a2cfaf668537c354b9b77b97a833116db478738cd52446071c","name":"Piano Aria","registered_at":"2026-06-16T02:31:08Z","symbol":"NIM0909468","token_address":"0x723984c773ed6a2ca811f93f69c8cf6c14f99649","type":"artist","uuid":"25395afa-6faf-4866-a6c5-2a8d654895a6"}
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  type: MusicAlbum
  date published: 2018-10-12
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