Jazz Coffee Shop Amsterdam
type: MusicGroup
popularity: 7
followers: 57
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x98dfa8e0a36d866b8aa8e0da2a452d2086de2c1a4c4a0d79cb3d1223ca9d826b
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 954555
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954555
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ad7c18dd-f79e-47b8-acfc-05f0e9e11500.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ad7c18dd-f79e-47b8-acfc-05f0e9e11500.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ad7c18dd-f79e-47b8-acfc-05f0e9e11500
additional property: OTSTimestamp
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  value: 2026-06-20T12:10:20Z
additional property: OTSCanonicalRecord
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  value: {"copyright_id":"0x98dfa8e0a36d866b8aa8e0da2a452d2086de2c1a4c4a0d79cb3d1223ca9d826b","name":"Jazz Coffee Shop Amsterdam","registered_at":"2026-06-20T10:48:26Z","symbol":"NIM1594560","token_address":"0xf5b1e75e6ea476632dc72c8dd9826a26a06a2336","type":"artist","uuid":"ad7c18dd-f79e-47b8-acfc-05f0e9e11500"}
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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98dfa8e0a36d866b8aa8e0da2a452d2086de2c1a4c4a0d79cb3d1223ca9d826b. Chain 2 (Bitcoin): anchored in block 954555 (2026-06-20T12:10:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ad7c18dd-f79e-47b8-acfc-05f0e9e11500.json and https://artists.proofprofile.net/proofs/artist/ad7c18dd-f79e-47b8-acfc-05f0e9e11500.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T12:10:20Z
  text: {"copyright_id":"0x98dfa8e0a36d866b8aa8e0da2a452d2086de2c1a4c4a0d79cb3d1223ca9d826b","name":"Jazz Coffee Shop Amsterdam","registered_at":"2026-06-20T10:48:26Z","symbol":"NIM1594560","token_address":"0xf5b1e75e6ea476632dc72c8dd9826a26a06a2336","type":"artist","uuid":"ad7c18dd-f79e-47b8-acfc-05f0e9e11500"}
album: Coffee Shop Jazz Playlist Amsterdam
  type: MusicAlbum
  date published: 2019-06-23
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  type: MusicAlbum
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