Ernst Hæfliger
type: MusicGroup
popularity: 3
followers: 27
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2b2dfd51248b549133d543aef1821145a15e892064034a06f33bd78126ed4ed3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954693
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954693
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ea1765cc-117a-42df-b8a4-e541a5a3774d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ea1765cc-117a-42df-b8a4-e541a5a3774d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ea1765cc-117a-42df-b8a4-e541a5a3774d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T11:50:32Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2b2dfd51248b549133d543aef1821145a15e892064034a06f33bd78126ed4ed3","name":"Ernst Hæfliger","registered_at":"2026-06-21T10:13:30Z","symbol":"NIM1896315","token_address":"0xe86bebecaf6d578ec31a81927d26029d8a83842f","type":"artist","uuid":"ea1765cc-117a-42df-b8a4-e541a5a3774d"}
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 0x2b2dfd51248b549133d543aef1821145a15e892064034a06f33bd78126ed4ed3. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ea1765cc-117a-42df-b8a4-e541a5a3774d.json and https://artists.proofprofile.net/proofs/artist/ea1765cc-117a-42df-b8a4-e541a5a3774d.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-21T11:50:32Z
  text: {"copyright_id":"0x2b2dfd51248b549133d543aef1821145a15e892064034a06f33bd78126ed4ed3","name":"Ernst Hæfliger","registered_at":"2026-06-21T10:13:30Z","symbol":"NIM1896315","token_address":"0xe86bebecaf6d578ec31a81927d26029d8a83842f","type":"artist","uuid":"ea1765cc-117a-42df-b8a4-e541a5a3774d"}
album: Alte Deutsche Weihnachtslieder
  type: MusicAlbum
  date published: 1985-01-01
album: Schubert: Lieder
  type: MusicAlbum
  date published: 1987-01-01