The Nash Circle
type: MusicGroup
popularity: 2
followers: 208
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc90ee7bfeaeecb820b8400ab01d667ee786232e38a0e3d50ec624e1e24f7f480
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953909
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953909
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/17f608ab-eeef-421f-98c7-d595ad0dfdcc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/17f608ab-eeef-421f-98c7-d595ad0dfdcc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/17f608ab-eeef-421f-98c7-d595ad0dfdcc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T07:53:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc90ee7bfeaeecb820b8400ab01d667ee786232e38a0e3d50ec624e1e24f7f480","name":"The Nash Circle","registered_at":"2026-06-15T21:58:10Z","symbol":"NIM0844279","token_address":"0x4f5b3354bac59da33475f31ce22860c8a8407429","type":"artist","uuid":"17f608ab-eeef-421f-98c7-d595ad0dfdcc"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc90ee7bfeaeecb820b8400ab01d667ee786232e38a0e3d50ec624e1e24f7f480. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/17f608ab-eeef-421f-98c7-d595ad0dfdcc.json and https://artists.proofprofile.net/proofs/artist/17f608ab-eeef-421f-98c7-d595ad0dfdcc.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0xc90ee7bfeaeecb820b8400ab01d667ee786232e38a0e3d50ec624e1e24f7f480","name":"The Nash Circle","registered_at":"2026-06-15T21:58:10Z","symbol":"NIM0844279","token_address":"0x4f5b3354bac59da33475f31ce22860c8a8407429","type":"artist","uuid":"17f608ab-eeef-421f-98c7-d595ad0dfdcc"}
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  type: MusicAlbum
  date published: 2022-09-23
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  type: MusicAlbum
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  type: MusicAlbum
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