Class B Band
type: MusicGroup
popularity: 7
followers: 116
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x000a781317f9d0567d1318c90bfe26bb35cca068b9ab7a6600352e3e5f3b9a2d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954017
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954017
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/35c56fb4-a461-4e7f-b65d-cf600025604f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/35c56fb4-a461-4e7f-b65d-cf600025604f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/35c56fb4-a461-4e7f-b65d-cf600025604f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T23:38:33Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x000a781317f9d0567d1318c90bfe26bb35cca068b9ab7a6600352e3e5f3b9a2d","name":"Class B Band","registered_at":"2026-06-16T08:16:41Z","symbol":"NIM0992000","token_address":"0x2e2c008865029a04ef7a4201367aca109cf16289","type":"artist","uuid":"35c56fb4-a461-4e7f-b65d-cf600025604f"}
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 0x000a781317f9d0567d1318c90bfe26bb35cca068b9ab7a6600352e3e5f3b9a2d. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/35c56fb4-a461-4e7f-b65d-cf600025604f.json and https://artists.proofprofile.net/proofs/artist/35c56fb4-a461-4e7f-b65d-cf600025604f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x000a781317f9d0567d1318c90bfe26bb35cca068b9ab7a6600352e3e5f3b9a2d","name":"Class B Band","registered_at":"2026-06-16T08:16:41Z","symbol":"NIM0992000","token_address":"0x2e2c008865029a04ef7a4201367aca109cf16289","type":"artist","uuid":"35c56fb4-a461-4e7f-b65d-cf600025604f"}
album: Strange Wolves
  type: MusicAlbum
  date published: 2011-08-15
album: Strange Wolves
  type: MusicAlbum
  date published: 2011-08-15
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  type: MusicAlbum
  date published: 2014-07-28
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  type: MusicAlbum
  date published: 2014-09-01
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  type: MusicAlbum
  date published: 2016-04-18
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  type: MusicAlbum
  date published: 2022-02-02
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  type: MusicAlbum
  date published: 2023-06-12