Brothers X Sisters
type: MusicGroup
popularity: 3
followers: 511
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5d753e9bc7663a2dcbeff630d1c48c50f24e4ade4d793a542f9b66cbfaba1314
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954533
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954533
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a5b43470-f416-4b45-9639-0ecdfb892402.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a5b43470-f416-4b45-9639-0ecdfb892402.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a5b43470-f416-4b45-9639-0ecdfb892402
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T08:57:02Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5d753e9bc7663a2dcbeff630d1c48c50f24e4ade4d793a542f9b66cbfaba1314","name":"Brothers X Sisters","registered_at":"2026-06-20T07:34:56Z","symbol":"NIM1554930","token_address":"0x274d2c67bdab2189bc260041dac29100341c1651","type":"artist","uuid":"a5b43470-f416-4b45-9639-0ecdfb892402"}
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 0x5d753e9bc7663a2dcbeff630d1c48c50f24e4ade4d793a542f9b66cbfaba1314. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a5b43470-f416-4b45-9639-0ecdfb892402.json and https://artists.proofprofile.net/proofs/artist/a5b43470-f416-4b45-9639-0ecdfb892402.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T08:57:02Z
  text: {"copyright_id":"0x5d753e9bc7663a2dcbeff630d1c48c50f24e4ade4d793a542f9b66cbfaba1314","name":"Brothers X Sisters","registered_at":"2026-06-20T07:34:56Z","symbol":"NIM1554930","token_address":"0x274d2c67bdab2189bc260041dac29100341c1651","type":"artist","uuid":"a5b43470-f416-4b45-9639-0ecdfb892402"}
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  type: MusicAlbum
  date published: 2017-11-03
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  type: MusicAlbum
  date published: 2018-02-28
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  type: MusicAlbum
  date published: 2019-02-14
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  type: MusicAlbum
  date published: 2020-08-21
album: Clean Heart
  type: MusicAlbum
  date published: 2023-08-04
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  type: MusicAlbum
  date published: 2023-08-11
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  type: MusicAlbum
  date published: 2023-08-18