David Biga
type: MusicGroup
popularity: 2
followers: 1012
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf06239585480f1a782385a1a4f4462768086f2dffac93c33ffb8cc6a4bacf3ca
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/da4aff06-af8e-44ee-9bb6-026f6dc88c33.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/da4aff06-af8e-44ee-9bb6-026f6dc88c33.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/da4aff06-af8e-44ee-9bb6-026f6dc88c33
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf06239585480f1a782385a1a4f4462768086f2dffac93c33ffb8cc6a4bacf3ca","name":"David Biga","registered_at":"2026-06-21T04:37:50Z","symbol":"NIM1821801","token_address":"0x5d8fe2168645d6b04e6177f2edfaf2823cdc631a","type":"artist","uuid":"da4aff06-af8e-44ee-9bb6-026f6dc88c33"}
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 0xf06239585480f1a782385a1a4f4462768086f2dffac93c33ffb8cc6a4bacf3ca. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/da4aff06-af8e-44ee-9bb6-026f6dc88c33.json and https://artists.proofprofile.net/proofs/artist/da4aff06-af8e-44ee-9bb6-026f6dc88c33.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0xf06239585480f1a782385a1a4f4462768086f2dffac93c33ffb8cc6a4bacf3ca","name":"David Biga","registered_at":"2026-06-21T04:37:50Z","symbol":"NIM1821801","token_address":"0x5d8fe2168645d6b04e6177f2edfaf2823cdc631a","type":"artist","uuid":"da4aff06-af8e-44ee-9bb6-026f6dc88c33"}
album: Sunrise
  type: MusicAlbum
  date published: 2014-12-11
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  type: MusicAlbum
  date published: 2016-06-16
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  type: MusicAlbum
  date published: 2017-04-14
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  type: MusicAlbum
  date published: 2017-12-12
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  type: MusicAlbum
  date published: 2018-06-18
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  type: MusicAlbum
  date published: 2019-11-25
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  type: MusicAlbum
  date published: 2020-10-17
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  type: MusicAlbum
  date published: 2022-04-22
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  type: MusicAlbum
  date published: 2022-08-22
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  type: MusicAlbum
  date published: 2024-10-24