Hartmut Höfele & der Odenwälder Shantychor
type: MusicGroup
genre: children's music
popularity: 2
followers: 35
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x22a7f833627030bb6299c0c0b7effa1b4fb7d8df361e12a7b3429d1c1101bd3f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953875
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953875
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/08c38b16-dc7d-4c79-8eea-48f8818b79b7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/08c38b16-dc7d-4c79-8eea-48f8818b79b7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/08c38b16-dc7d-4c79-8eea-48f8818b79b7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T02:12:46Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x22a7f833627030bb6299c0c0b7effa1b4fb7d8df361e12a7b3429d1c1101bd3f","name":"Hartmut Höfele & der Odenwälder Shantychor","registered_at":"2026-06-15T16:28:49Z","symbol":"NIM0765734","token_address":"0xf65951f240f458a477bbf7a95919f0b45a7db6cf","type":"artist","uuid":"08c38b16-dc7d-4c79-8eea-48f8818b79b7"}
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 0x22a7f833627030bb6299c0c0b7effa1b4fb7d8df361e12a7b3429d1c1101bd3f. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/08c38b16-dc7d-4c79-8eea-48f8818b79b7.json and https://artists.proofprofile.net/proofs/artist/08c38b16-dc7d-4c79-8eea-48f8818b79b7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0x22a7f833627030bb6299c0c0b7effa1b4fb7d8df361e12a7b3429d1c1101bd3f","name":"Hartmut Höfele & der Odenwälder Shantychor","registered_at":"2026-06-15T16:28:49Z","symbol":"NIM0765734","token_address":"0xf65951f240f458a477bbf7a95919f0b45a7db6cf","type":"artist","uuid":"08c38b16-dc7d-4c79-8eea-48f8818b79b7"}