Symphony in C
type: MusicGroup
popularity: 2
followers: 4
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8c648fd8b8a6228849d3bfe8e89278971102d1f762bc54e9a03ac6849893edfc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6e4e4212-ca1a-4c06-84df-f8384ab395d0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6e4e4212-ca1a-4c06-84df-f8384ab395d0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6e4e4212-ca1a-4c06-84df-f8384ab395d0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8c648fd8b8a6228849d3bfe8e89278971102d1f762bc54e9a03ac6849893edfc","name":"Symphony in C","registered_at":"2026-06-17T04:07:34Z","symbol":"NIM1276136","token_address":"0x4f7dbb14c9b9d03c606e9b239ccc5b0c46a1686c","type":"artist","uuid":"6e4e4212-ca1a-4c06-84df-f8384ab395d0"}
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 0x8c648fd8b8a6228849d3bfe8e89278971102d1f762bc54e9a03ac6849893edfc. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6e4e4212-ca1a-4c06-84df-f8384ab395d0.json and https://artists.proofprofile.net/proofs/artist/6e4e4212-ca1a-4c06-84df-f8384ab395d0.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x8c648fd8b8a6228849d3bfe8e89278971102d1f762bc54e9a03ac6849893edfc","name":"Symphony in C","registered_at":"2026-06-17T04:07:34Z","symbol":"NIM1276136","token_address":"0x4f7dbb14c9b9d03c606e9b239ccc5b0c46a1686c","type":"artist","uuid":"6e4e4212-ca1a-4c06-84df-f8384ab395d0"}