449 A'ONE
type: MusicGroup
genre: melodic rap
popularity: 3
followers: 236
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5cc1d1c3537b6c0fb17bf3d141fe7c0210f7a14e8191ff2ab5a83e602c25c2d4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953922
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953922
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1beb65f1-5ca2-48f1-81a9-8d571879809a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1beb65f1-5ca2-48f1-81a9-8d571879809a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1beb65f1-5ca2-48f1-81a9-8d571879809a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T09:36:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5cc1d1c3537b6c0fb17bf3d141fe7c0210f7a14e8191ff2ab5a83e602c25c2d4","name":"449 A'ONE","registered_at":"2026-06-15T23:18:04Z","symbol":"NIM0863358","token_address":"0x55c72fa46bc5a586ecc11a9c5f06905978b626c9","type":"artist","uuid":"1beb65f1-5ca2-48f1-81a9-8d571879809a"}
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cc1d1c3537b6c0fb17bf3d141fe7c0210f7a14e8191ff2ab5a83e602c25c2d4. Chain 2 (Bitcoin): anchored in block 953922 (2026-06-16T09:36:34Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1beb65f1-5ca2-48f1-81a9-8d571879809a.json and https://artists.proofprofile.net/proofs/artist/1beb65f1-5ca2-48f1-81a9-8d571879809a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T09:36:34Z
  text: {"copyright_id":"0x5cc1d1c3537b6c0fb17bf3d141fe7c0210f7a14e8191ff2ab5a83e602c25c2d4","name":"449 A'ONE","registered_at":"2026-06-15T23:18:04Z","symbol":"NIM0863358","token_address":"0x55c72fa46bc5a586ecc11a9c5f06905978b626c9","type":"artist","uuid":"1beb65f1-5ca2-48f1-81a9-8d571879809a"}
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  type: MusicAlbum
  date published: 2018-11-06
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  type: MusicAlbum
  date published: 2018-11-12
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  date published: 2018-11-13
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  type: MusicAlbum
  date published: 2019-08-23
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  date published: 2019-09-06
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  date published: 2020-04-13
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  date published: 2021-01-25
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  type: MusicAlbum
  date published: 2021-01-25
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  type: MusicAlbum
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  type: MusicAlbum
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  date published: 2022-06-09
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  type: MusicAlbum
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