Ulrike Schweikert (born 28 November 1966) is a German writer. Her book series Die Erben der Nacht was adapted to television as Heirs of the Night by Diederik van Rooijen and Maria von Heland. Refe
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1a9fc9b189098660690d6b9cb44fb30f440d575df4b587cbb0b1d40dc186fc3. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/93c7dc46-1024-406c-b81c-7e26546aa72f.json and https://artists.proofprofile.net/proofs/artist/93c7dc46-1024-406c-b81c-7e26546aa72f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Die Erben der Nacht 2 - Lycana: Eine mitreißende Vampir-Saga
Die Erben der Nacht 1 - Nosferas: Eine mitreißende Vampir-Saga
Die Dirne und der Bischof (Autorisierte Lesefassung)
Die Erben der Nacht 3 - Pyras: Eine mitreißende Vampir-Saga
Die Drachenkrone - Die Drachenkronen-Trilogie 1 (Ungekürzt)
Das Vermächtnis des Kupferdrachen - Die Drachenkronen-Trilogie 2 (Ungekürzt)
Die Charité: Aufbruch und Entscheidung (ungekürzt)
Das Antlitz der Ehre [Elisabeth 2 (Gekürzt)]
Die Dirne und der Bischof [Elisabeth 1 (Gekürzt)]
Berlin Friedrichstraße: Novembersturm [Friedrichstraßensaga, Band 1 (Ungekürzt)]
Berlin Friedrichstraße: Tränenpalast [Friedrichstraßensaga, Band 2 (Ungekürzte Lesung)]
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac5add1e3cef0485ead88f98c666530bcb76c52f0e045389b84f7abdf4f9809b. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEXO22404013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4293b2257bf9186b4525dc182782c00e9e68bebe7e248c7659853465c202348b. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEXO22404016.