Mannenzang Elburg
type: MusicGroup
popularity: 4
followers: 20
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcb7c4bf51b5901ea7435989fd82c23e3f28effc8ae50abd61298cb000d862f1b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953841
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953841
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0051b90e-ba3e-4940-9e7d-e722a9326172.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0051b90e-ba3e-4940-9e7d-e722a9326172.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0051b90e-ba3e-4940-9e7d-e722a9326172
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T22:20:26Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcb7c4bf51b5901ea7435989fd82c23e3f28effc8ae50abd61298cb000d862f1b","name":"Mannenzang Elburg","registered_at":"2026-06-15T13:32:41Z","symbol":"NIM0724423","token_address":"0x5b16fbd3c402ba355a7773dd070ccbc93b2c3cf3","type":"artist","uuid":"0051b90e-ba3e-4940-9e7d-e722a9326172"}
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 0xcb7c4bf51b5901ea7435989fd82c23e3f28effc8ae50abd61298cb000d862f1b. Chain 2 (Bitcoin): anchored in block 953841 (2026-06-15T22:20:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0051b90e-ba3e-4940-9e7d-e722a9326172.json and https://artists.proofprofile.net/proofs/artist/0051b90e-ba3e-4940-9e7d-e722a9326172.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T22:20:26Z
  text: {"copyright_id":"0xcb7c4bf51b5901ea7435989fd82c23e3f28effc8ae50abd61298cb000d862f1b","name":"Mannenzang Elburg","registered_at":"2026-06-15T13:32:41Z","symbol":"NIM0724423","token_address":"0x5b16fbd3c402ba355a7773dd070ccbc93b2c3cf3","type":"artist","uuid":"0051b90e-ba3e-4940-9e7d-e722a9326172"}
album: Zingt vrolijk, roemt Zijn deugden 't allen tijd
  type: MusicAlbum
  date published: 2024-02-17
album: Men loov' Hem Vroeg en Spa
  type: MusicAlbum
  date published: 2025-03-16