Mark M
type: MusicGroup
genre: melodic house
genre: melodic techno
popularity: 5
followers: 32
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x481f47448eb9b96873762007a7aaf62122f38f63849a7fe44c25bbfab314916c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c0ddcb1d-a97c-4976-adfc-f0f4d2bce977.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c0ddcb1d-a97c-4976-adfc-f0f4d2bce977.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c0ddcb1d-a97c-4976-adfc-f0f4d2bce977
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x481f47448eb9b96873762007a7aaf62122f38f63849a7fe44c25bbfab314916c","name":"Mark M","registered_at":"2026-06-20T19:36:46Z","symbol":"NIM1694163","token_address":"0x5ae508f3298e5c5f7def19b272b3a2d1dd496770","type":"artist","uuid":"c0ddcb1d-a97c-4976-adfc-f0f4d2bce977"}
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 0x481f47448eb9b96873762007a7aaf62122f38f63849a7fe44c25bbfab314916c. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c0ddcb1d-a97c-4976-adfc-f0f4d2bce977.json and https://artists.proofprofile.net/proofs/artist/c0ddcb1d-a97c-4976-adfc-f0f4d2bce977.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x481f47448eb9b96873762007a7aaf62122f38f63849a7fe44c25bbfab314916c","name":"Mark M","registered_at":"2026-06-20T19:36:46Z","symbol":"NIM1694163","token_address":"0x5ae508f3298e5c5f7def19b272b3a2d1dd496770","type":"artist","uuid":"c0ddcb1d-a97c-4976-adfc-f0f4d2bce977"}
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