David Ianni
type: MusicGroup
genre: gregorian chant
popularity: 8
followers: 414
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x15d5aef72683cf56657dae2e7333e34ee17f9757d87e558d3f3e8a29fc2153e5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954603
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954603
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c2cb34e3-6c88-4301-84e8-2069345e85b5.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c2cb34e3-6c88-4301-84e8-2069345e85b5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c2cb34e3-6c88-4301-84e8-2069345e85b5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T21:47:54Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x15d5aef72683cf56657dae2e7333e34ee17f9757d87e558d3f3e8a29fc2153e5","name":"David Ianni","registered_at":"2026-06-20T20:06:38Z","symbol":"NIM1701541","token_address":"0x9cd4b4fa83fbe6813a3e18352114c958e2f58723","type":"artist","uuid":"c2cb34e3-6c88-4301-84e8-2069345e85b5"}
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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  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15d5aef72683cf56657dae2e7333e34ee17f9757d87e558d3f3e8a29fc2153e5. Chain 2 (Bitcoin): anchored in block 954603 (2026-06-20T21:47:54Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c2cb34e3-6c88-4301-84e8-2069345e85b5.json and https://artists.proofprofile.net/proofs/artist/c2cb34e3-6c88-4301-84e8-2069345e85b5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T21:47:54Z
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album: Night Prayers
  type: MusicAlbum
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  type: MusicAlbum
  date published: 2014-03-24
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  type: MusicAlbum
  date published: 2014-03-24
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  date published: 2017-12-04
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  type: MusicAlbum
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