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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b509f770113f893ba6684de5bcd1cd524f3cb6c12c74890d9dc60ebdb3ce1ba. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9a8f6d8b-1fe9-422f-8457-36477b7cd35b.json and https://artists.proofprofile.net/proofs/artist/9a8f6d8b-1fe9-422f-8457-36477b7cd35b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Abends am Kamin (Volkstümliche Melodien zum Träumen und Schmunzeln)
Heidelieder (Gesungen von Pat & Paul und den original Heidelerchen)
Kennst du die Lüneburger Heide? (Die schönsten Heidelieder)
Hinter den sieben Horizonten (Lieder des Nordens präsentiert von Pat & Paul)
Auf der Lüneburger Heide (Die schönsten Heidelieder)
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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x313acd10627cc122e18521c152d63044e628b73337b5c8fdb3b291b3c69041b3. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/DEBL61271780.
Kennst du die Lüneburger Heide (German-Folk-Songs)
Gute Nachbarschaft (Lieder am Gartenzaun)
Singende klingende Heide (feat. Original Heidelerchen) [Lieder der Lüneburger Heide]
Einmal nach Lüneburg (feat. Heidelerchen) [Eine musikalische Reise durch die Heide]
Wir lieben die stürme (Mit Shantys auf hoher See)
Einmal nach Lüneburg (Die schönsten Lieder der Heide mit dem Lüneburglied)
Benny bleibt bei uns (Eine Urlaubsgeschichte mit Herz)
Wir fahren der Sonne entgegen (Urlaubsstimmung)
Es gibt nur ein Hamburg (Eine Reise an die Waterkant)