Andre Polar
type: MusicGroup
popularity: 18
followers: 1334
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdcbb111c37d76c24c2e663e8dc861c16fe46403b2df905fc3fd93c6334874be6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953807
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953807
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f45d83cf-5559-442a-ac1b-aacc46c3f06d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f45d83cf-5559-442a-ac1b-aacc46c3f06d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f45d83cf-5559-442a-ac1b-aacc46c3f06d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T16:39:18Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdcbb111c37d76c24c2e663e8dc861c16fe46403b2df905fc3fd93c6334874be6","name":"Andre Polar","registered_at":"2026-06-15T06:10:30Z","symbol":"NIM0706469","token_address":"0xf64ce3a1987feb7d53de6f124fada33903e21339","type":"artist","uuid":"f45d83cf-5559-442a-ac1b-aacc46c3f06d"}
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 0xdcbb111c37d76c24c2e663e8dc861c16fe46403b2df905fc3fd93c6334874be6. Chain 2 (Bitcoin): anchored in block 953807 (2026-06-15T16:39:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f45d83cf-5559-442a-ac1b-aacc46c3f06d.json and https://artists.proofprofile.net/proofs/artist/f45d83cf-5559-442a-ac1b-aacc46c3f06d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T16:39:18Z
  text: {"copyright_id":"0xdcbb111c37d76c24c2e663e8dc861c16fe46403b2df905fc3fd93c6334874be6","name":"Andre Polar","registered_at":"2026-06-15T06:10:30Z","symbol":"NIM0706469","token_address":"0xf64ce3a1987feb7d53de6f124fada33903e21339","type":"artist","uuid":"f45d83cf-5559-442a-ac1b-aacc46c3f06d"}
album: Triangulum
  type: MusicAlbum
  date published: 2018-03-20
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  type: MusicAlbum
  date published: 2019-01-20
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  date published: 2019-04-12
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  type: MusicAlbum
  date published: 2019-06-17
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  type: MusicAlbum
  date published: 2020-06-05
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  date published: 2021-02-12
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  type: MusicAlbum
  date published: 2021-11-26
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  type: MusicAlbum
  date published: 2022-04-22
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  type: MusicAlbum
  date published: 2023-10-13