Monika Ehrhardt
type: MusicGroup
genre: children's music
popularity: 9
followers: 294
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5afe9b1060066b5034f6e267fd25fb557fa88254843439b3362edb98036d2465
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/76ee3492-14c4-46ec-83d7-1bd6f486e630.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/76ee3492-14c4-46ec-83d7-1bd6f486e630.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/76ee3492-14c4-46ec-83d7-1bd6f486e630
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5afe9b1060066b5034f6e267fd25fb557fa88254843439b3362edb98036d2465","name":"Monika Ehrhardt","registered_at":"2026-06-17T07:05:04Z","symbol":"NIM1318500","token_address":"0x9c3be13ba6f1943ff7e84c0fae1402873696d93f","type":"artist","uuid":"76ee3492-14c4-46ec-83d7-1bd6f486e630"}
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 0x5afe9b1060066b5034f6e267fd25fb557fa88254843439b3362edb98036d2465. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/76ee3492-14c4-46ec-83d7-1bd6f486e630.json and https://artists.proofprofile.net/proofs/artist/76ee3492-14c4-46ec-83d7-1bd6f486e630.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x5afe9b1060066b5034f6e267fd25fb557fa88254843439b3362edb98036d2465","name":"Monika Ehrhardt","registered_at":"2026-06-17T07:05:04Z","symbol":"NIM1318500","token_address":"0x9c3be13ba6f1943ff7e84c0fae1402873696d93f","type":"artist","uuid":"76ee3492-14c4-46ec-83d7-1bd6f486e630"}