Dinner Time Jazz
type: MusicGroup
popularity: 2
followers: 1
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 954784
additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/e63d27e8-c25f-45e3-9596-369c8dc5c377.ots
additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/e63d27e8-c25f-45e3-9596-369c8dc5c377.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e63d27e8-c25f-45e3-9596-369c8dc5c377
additional property: OTSTimestamp
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  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf89756b1c0c3e333c94723c66e5ce50b222c25b00662fae01bff06438c7d325. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e63d27e8-c25f-45e3-9596-369c8dc5c377.json and https://artists.proofprofile.net/proofs/artist/e63d27e8-c25f-45e3-9596-369c8dc5c377.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-22T02:53:59Z
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