classic choir
type: MusicGroup
genre: ccm
popularity: 4
followers: 54
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x971d512a8488b945304eb80e7b3d06452a17d8283875ff72b2c1ad118479bd15
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/c4ae6b1b-6ad8-49ab-988c-4cdf11c52e27.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c4ae6b1b-6ad8-49ab-988c-4cdf11c52e27.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c4ae6b1b-6ad8-49ab-988c-4cdf11c52e27
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x971d512a8488b945304eb80e7b3d06452a17d8283875ff72b2c1ad118479bd15","name":"classic choir","registered_at":"2026-06-20T20:37:56Z","symbol":"NIM1707907","token_address":"0xc9dee3ea527962d88526669939695050af88ab0a","type":"artist","uuid":"c4ae6b1b-6ad8-49ab-988c-4cdf11c52e27"}
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 0x971d512a8488b945304eb80e7b3d06452a17d8283875ff72b2c1ad118479bd15. 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/c4ae6b1b-6ad8-49ab-988c-4cdf11c52e27.json and https://artists.proofprofile.net/proofs/artist/c4ae6b1b-6ad8-49ab-988c-4cdf11c52e27.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x971d512a8488b945304eb80e7b3d06452a17d8283875ff72b2c1ad118479bd15","name":"classic choir","registered_at":"2026-06-20T20:37:56Z","symbol":"NIM1707907","token_address":"0xc9dee3ea527962d88526669939695050af88ab0a","type":"artist","uuid":"c4ae6b1b-6ad8-49ab-988c-4cdf11c52e27"}
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  type: MusicAlbum
  date published: 2008-04-01
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  date published: 2009-01-01
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  date published: 2014-01-10
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album: 테마찬송가 - 보호하심
  type: MusicAlbum
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  type: MusicAlbum
  date published: 2015-03-30