Dan Murch
type: MusicGroup
genre: jazz beats
popularity: 2
followers: 3815
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x75f48ae2f55975ea5e2599a80488b1d6d5afa7f10ba7b83ae39cec113b79b8e6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954618
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954618
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c7d3cd0a-35d2-40ed-b26b-6a2d5bf35361.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c7d3cd0a-35d2-40ed-b26b-6a2d5bf35361.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c7d3cd0a-35d2-40ed-b26b-6a2d5bf35361
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T23:05:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x75f48ae2f55975ea5e2599a80488b1d6d5afa7f10ba7b83ae39cec113b79b8e6","name":"Dan Murch","registered_at":"2026-06-20T21:38:25Z","symbol":"NIM1722028","token_address":"0xcf642c5b903067b81284ad3cdb768cf62a24c4cd","type":"artist","uuid":"c7d3cd0a-35d2-40ed-b26b-6a2d5bf35361"}
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 0x75f48ae2f55975ea5e2599a80488b1d6d5afa7f10ba7b83ae39cec113b79b8e6. Chain 2 (Bitcoin): anchored in block 954618 (2026-06-20T23:05:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c7d3cd0a-35d2-40ed-b26b-6a2d5bf35361.json and https://artists.proofprofile.net/proofs/artist/c7d3cd0a-35d2-40ed-b26b-6a2d5bf35361.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T23:05:13Z
  text: {"copyright_id":"0x75f48ae2f55975ea5e2599a80488b1d6d5afa7f10ba7b83ae39cec113b79b8e6","name":"Dan Murch","registered_at":"2026-06-20T21:38:25Z","symbol":"NIM1722028","token_address":"0xcf642c5b903067b81284ad3cdb768cf62a24c4cd","type":"artist","uuid":"c7d3cd0a-35d2-40ed-b26b-6a2d5bf35361"}
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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