Mixmaster J
type: MusicGroup
genre: drum and bass
genre: jungle
popularity: 11
followers: 90
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x30ae23068b258f5a24fa07e1db574f3df559e8e5f592f5771c62844c53920dd4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953657
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953657
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4b90316b-a33f-47bb-9e9c-7fa3e0bd021b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4b90316b-a33f-47bb-9e9c-7fa3e0bd021b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4b90316b-a33f-47bb-9e9c-7fa3e0bd021b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T16:43:25Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x30ae23068b258f5a24fa07e1db574f3df559e8e5f592f5771c62844c53920dd4","name":"Mixmaster J","registered_at":"2026-06-14T12:23:38Z","symbol":"NIM0451862","token_address":"0x7fe4a5d3f706d88080c3c5018d35a17a573d8a50","type":"artist","uuid":"4b90316b-a33f-47bb-9e9c-7fa3e0bd021b"}
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 0x30ae23068b258f5a24fa07e1db574f3df559e8e5f592f5771c62844c53920dd4. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4b90316b-a33f-47bb-9e9c-7fa3e0bd021b.json and https://artists.proofprofile.net/proofs/artist/4b90316b-a33f-47bb-9e9c-7fa3e0bd021b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T16:43:25Z
  text: {"copyright_id":"0x30ae23068b258f5a24fa07e1db574f3df559e8e5f592f5771c62844c53920dd4","name":"Mixmaster J","registered_at":"2026-06-14T12:23:38Z","symbol":"NIM0451862","token_address":"0x7fe4a5d3f706d88080c3c5018d35a17a573d8a50","type":"artist","uuid":"4b90316b-a33f-47bb-9e9c-7fa3e0bd021b"}