Smoke Room Quartet
type: MusicGroup
genre: smooth jazz
popularity: 31
followers: 873
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8ea4762e46bf03fd5f60a736d1fecaddf584dc4b57f5ad4361c2163e7ce3a398
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/02b71fb8-887e-41f8-8284-1a83cdb5ad39.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/02b71fb8-887e-41f8-8284-1a83cdb5ad39.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/02b71fb8-887e-41f8-8284-1a83cdb5ad39
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8ea4762e46bf03fd5f60a736d1fecaddf584dc4b57f5ad4361c2163e7ce3a398","name":"Smoke Room Quartet","registered_at":"2026-06-11T10:47:41Z","symbol":"NIM0004041","token_address":"0x2ce4bd181ee4449816e970545fd42f52136d08f9","type":"artist","uuid":"02b71fb8-887e-41f8-8284-1a83cdb5ad39"}
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 0x8ea4762e46bf03fd5f60a736d1fecaddf584dc4b57f5ad4361c2163e7ce3a398. 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/02b71fb8-887e-41f8-8284-1a83cdb5ad39.json and https://artists.proofprofile.net/proofs/artist/02b71fb8-887e-41f8-8284-1a83cdb5ad39.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x8ea4762e46bf03fd5f60a736d1fecaddf584dc4b57f5ad4361c2163e7ce3a398","name":"Smoke Room Quartet","registered_at":"2026-06-11T10:47:41Z","symbol":"NIM0004041","token_address":"0x2ce4bd181ee4449816e970545fd42f52136d08f9","type":"artist","uuid":"02b71fb8-887e-41f8-8284-1a83cdb5ad39"}
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