John Williams
type: MusicGroup
genre: country blues
description: John Towner Williams (born February 8, 1932) is an American composer and conductor. Over his seven-decade career, he has composed many of the best known scores in film history. His compositional style
popularity: 8
followers: 350
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x41b17c0a52ee46f7f7510bf5a545d74c3ea4f240bb550c6e8b55765e53cce11a
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953997
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953997
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/30251df5-9124-4af8-946a-366e351bc123.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/30251df5-9124-4af8-946a-366e351bc123.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/30251df5-9124-4af8-946a-366e351bc123
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T20:07:57Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41b17c0a52ee46f7f7510bf5a545d74c3ea4f240bb550c6e8b55765e53cce11a. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/30251df5-9124-4af8-946a-366e351bc123.json and https://artists.proofprofile.net/proofs/artist/30251df5-9124-4af8-946a-366e351bc123.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:07:57Z
  text: {"copyright_id":"0x41b17c0a52ee46f7f7510bf5a545d74c3ea4f240bb550c6e8b55765e53cce11a","name":"John Williams","registered_at":"2026-06-16T06:22:34Z","symbol":"NIM0964745","token_address":"0x9920db7fd4ec741aa32d599b47d50ad718260db9","type":"artist","uuid":"30251df5-9124-4af8-946a-366e351bc123"}
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