Margarete Teschemacher
type: MusicGroup
genre: opera
description: Margarete Teschemacher (3 March 190319 May 1959) was a German operatic soprano, particularly associated with the German repertory, although she sang a wide range of roles. She possessed a warm lyrico-
popularity: 3
followers: 598
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2a58f82aba51f1bb417a64ba50f72c0553acdd1ef01ad7ad23f3188feff1b2b3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954040
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954040
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3e60afd1-4769-43c0-b1fa-e69c110dc726.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3e60afd1-4769-43c0-b1fa-e69c110dc726.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3e60afd1-4769-43c0-b1fa-e69c110dc726
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T03:05:45Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2a58f82aba51f1bb417a64ba50f72c0553acdd1ef01ad7ad23f3188feff1b2b3","name":"Margarete Teschemacher","registered_at":"2026-06-16T11:22:53Z","symbol":"NIM1036433","token_address":"0xcc6f9ec95ee4dc278767af3118154e8aeda443dc","type":"artist","uuid":"3e60afd1-4769-43c0-b1fa-e69c110dc726"}
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 0x2a58f82aba51f1bb417a64ba50f72c0553acdd1ef01ad7ad23f3188feff1b2b3. Chain 2 (Bitcoin): anchored in block 954043 (2026-06-17T04:15:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3e60afd1-4769-43c0-b1fa-e69c110dc726.json and https://artists.proofprofile.net/proofs/artist/3e60afd1-4769-43c0-b1fa-e69c110dc726.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T04:15:20Z
  text: {"copyright_id":"0x2a58f82aba51f1bb417a64ba50f72c0553acdd1ef01ad7ad23f3188feff1b2b3","name":"Margarete Teschemacher","registered_at":"2026-06-16T11:22:53Z","symbol":"NIM1036433","token_address":"0xcc6f9ec95ee4dc278767af3118154e8aeda443dc","type":"artist","uuid":"3e60afd1-4769-43c0-b1fa-e69c110dc726"}
album: Lebendige Vergangenheit - Margarete Teschemacher
  type: MusicAlbum
  date published: 2006-09-01