Drums and Tuba
type: MusicGroup
genre: free jazz
genre: funk rock
genre: post-rock
popularity: 2
followers: 1331
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x932630148a91cb675e9e116e7f98b66565cf44186e223da541bad626a59ba150
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954647
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954647
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d64d5a8a-a237-4a38-9994-90ba6fdf7277.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d64d5a8a-a237-4a38-9994-90ba6fdf7277.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d64d5a8a-a237-4a38-9994-90ba6fdf7277
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T04:36:58Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x932630148a91cb675e9e116e7f98b66565cf44186e223da541bad626a59ba150","name":"Drums and Tuba","registered_at":"2026-06-21T02:41:19Z","symbol":"NIM1795014","token_address":"0x9103df8edef24ac9a271b800cba780894805e6b5","type":"artist","uuid":"d64d5a8a-a237-4a38-9994-90ba6fdf7277"}
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 0x932630148a91cb675e9e116e7f98b66565cf44186e223da541bad626a59ba150. Chain 2 (Bitcoin): anchored in block 954647 (2026-06-21T04:36:58Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d64d5a8a-a237-4a38-9994-90ba6fdf7277.json and https://artists.proofprofile.net/proofs/artist/d64d5a8a-a237-4a38-9994-90ba6fdf7277.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T04:36:58Z
  text: {"copyright_id":"0x932630148a91cb675e9e116e7f98b66565cf44186e223da541bad626a59ba150","name":"Drums and Tuba","registered_at":"2026-06-21T02:41:19Z","symbol":"NIM1795014","token_address":"0x9103df8edef24ac9a271b800cba780894805e6b5","type":"artist","uuid":"d64d5a8a-a237-4a38-9994-90ba6fdf7277"}
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