Cluster of Students
type: MusicGroup
popularity: 2
followers: 666
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7a73a863a5efcb6fdf80295a8df545b7372062ed691cbebaaa08bad38c5e027e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953903
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953903
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/153859d6-e2b2-4fff-85c8-347f0651ef02.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/153859d6-e2b2-4fff-85c8-347f0651ef02.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/153859d6-e2b2-4fff-85c8-347f0651ef02
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T07:05:05Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7a73a863a5efcb6fdf80295a8df545b7372062ed691cbebaaa08bad38c5e027e","name":"Cluster of Students","registered_at":"2026-06-15T20:58:29Z","symbol":"NIM0830057","token_address":"0x9d8e99fdacce78ecf6af48fd56a1338e8d437104","type":"artist","uuid":"153859d6-e2b2-4fff-85c8-347f0651ef02"}
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 0x7a73a863a5efcb6fdf80295a8df545b7372062ed691cbebaaa08bad38c5e027e. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/153859d6-e2b2-4fff-85c8-347f0651ef02.json and https://artists.proofprofile.net/proofs/artist/153859d6-e2b2-4fff-85c8-347f0651ef02.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
  text: {"copyright_id":"0x7a73a863a5efcb6fdf80295a8df545b7372062ed691cbebaaa08bad38c5e027e","name":"Cluster of Students","registered_at":"2026-06-15T20:58:29Z","symbol":"NIM0830057","token_address":"0x9d8e99fdacce78ecf6af48fd56a1338e8d437104","type":"artist","uuid":"153859d6-e2b2-4fff-85c8-347f0651ef02"}
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2012-03-02
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  type: MusicAlbum
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  date published: 2014-03-03
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2019-12-27