MC C_A
type: MusicGroup
popularity: 2
followers: 448
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0e4df37fb4e046dc4b489fb506f3dbac7ffa38a76e910b249125d85cb24c92db
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954513
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a0dcac82-96b4-4b7e-83c0-ca388e448c57.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a0dcac82-96b4-4b7e-83c0-ca388e448c57.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a0dcac82-96b4-4b7e-83c0-ca388e448c57
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T06:31:18Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0e4df37fb4e046dc4b489fb506f3dbac7ffa38a76e910b249125d85cb24c92db","name":"MC C_A","registered_at":"2026-06-20T05:20:39Z","symbol":"NIM1527722","token_address":"0xd8f4bba81b01b2d2e38ae91f79bb6a0d31f6c140","type":"artist","uuid":"a0dcac82-96b4-4b7e-83c0-ca388e448c57"}
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 0x0e4df37fb4e046dc4b489fb506f3dbac7ffa38a76e910b249125d85cb24c92db. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a0dcac82-96b4-4b7e-83c0-ca388e448c57.json and https://artists.proofprofile.net/proofs/artist/a0dcac82-96b4-4b7e-83c0-ca388e448c57.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T06:31:18Z
  text: {"copyright_id":"0x0e4df37fb4e046dc4b489fb506f3dbac7ffa38a76e910b249125d85cb24c92db","name":"MC C_A","registered_at":"2026-06-20T05:20:39Z","symbol":"NIM1527722","token_address":"0xd8f4bba81b01b2d2e38ae91f79bb6a0d31f6c140","type":"artist","uuid":"a0dcac82-96b4-4b7e-83c0-ca388e448c57"}
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