American Sound
type: MusicGroup
genre: trip hop
popularity: 2
followers: 56
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf704f36f110d442ce6d1713925fbd33291017ee8dd1fc3b9a130390c12eb7991
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954549
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954549
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/aaf206bc-cd67-4c77-827f-5e60395c8902.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/aaf206bc-cd67-4c77-827f-5e60395c8902.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/aaf206bc-cd67-4c77-827f-5e60395c8902
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T10:56:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf704f36f110d442ce6d1713925fbd33291017ee8dd1fc3b9a130390c12eb7991","name":"American Sound","registered_at":"2026-06-20T09:26:43Z","symbol":"NIM1579061","token_address":"0x300d53fe608c909f35e3db5c8c49907b110ca9f0","type":"artist","uuid":"aaf206bc-cd67-4c77-827f-5e60395c8902"}
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 0xf704f36f110d442ce6d1713925fbd33291017ee8dd1fc3b9a130390c12eb7991. Chain 2 (Bitcoin): anchored in block 954549 (2026-06-20T10:56:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/aaf206bc-cd67-4c77-827f-5e60395c8902.json and https://artists.proofprofile.net/proofs/artist/aaf206bc-cd67-4c77-827f-5e60395c8902.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T10:56:20Z
  text: {"copyright_id":"0xf704f36f110d442ce6d1713925fbd33291017ee8dd1fc3b9a130390c12eb7991","name":"American Sound","registered_at":"2026-06-20T09:26:43Z","symbol":"NIM1579061","token_address":"0x300d53fe608c909f35e3db5c8c49907b110ca9f0","type":"artist","uuid":"aaf206bc-cd67-4c77-827f-5e60395c8902"}
album: American Fantasy
  type: MusicAlbum
  date published: 2021-08-02
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  type: MusicAlbum
  date published: 2022-06-17
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  type: MusicAlbum
  date published: 2022-08-05
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  type: MusicAlbum
  date published: 2023-06-09