Marvin Weiland
type: MusicGroup
popularity: 12
followers: 250
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x780ce9c9b392009ee0d61d23629ee64d4687c6f2d433d99f141b70e4abe13586
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953625
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953625
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/29b10a2f-e704-4368-8631-5b9abbb297a3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/29b10a2f-e704-4368-8631-5b9abbb297a3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/29b10a2f-e704-4368-8631-5b9abbb297a3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T11:37:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x780ce9c9b392009ee0d61d23629ee64d4687c6f2d433d99f141b70e4abe13586","name":"Marvin Weiland","registered_at":"2026-06-14T08:46:12Z","symbol":"NIM0400008","token_address":"0x6fde4ac4e3c66ded4ffba81d3f4079cc8ae29ac0","type":"artist","uuid":"29b10a2f-e704-4368-8631-5b9abbb297a3"}
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 0x780ce9c9b392009ee0d61d23629ee64d4687c6f2d433d99f141b70e4abe13586. Chain 2 (Bitcoin): anchored in block 953625 (2026-06-14T11:37:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/29b10a2f-e704-4368-8631-5b9abbb297a3.json and https://artists.proofprofile.net/proofs/artist/29b10a2f-e704-4368-8631-5b9abbb297a3.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-14T11:37:06Z
  text: {"copyright_id":"0x780ce9c9b392009ee0d61d23629ee64d4687c6f2d433d99f141b70e4abe13586","name":"Marvin Weiland","registered_at":"2026-06-14T08:46:12Z","symbol":"NIM0400008","token_address":"0x6fde4ac4e3c66ded4ffba81d3f4079cc8ae29ac0","type":"artist","uuid":"29b10a2f-e704-4368-8631-5b9abbb297a3"}
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