1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xdfbbbe7ebc84f72d6b70eecf6128796247b0f65527b28fab1686089f88ed9562. Chain 2 (Bitcoin): anchored in block 953750 (2026-06-15T06:12:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a5c979f5-e976-40ea-a8da-c1b4b11da40c.json and https://artists.proofprofile.net/proofs/artist/a5c979f5-e976-40ea-a8da-c1b4b11da40c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
A Tisket a Tasket / Sweet Sue (feat. Gert Wilden et son orchestre) [Mono Version]
Banjo Boy (feat. Gert Wilden and His Orchestra) [Mono Version]
Banjo Boy / Mach doch nicht immer soviel Wind (feat. Gert Wilden et son orchestre) [Mono Version]
Tingelingeling dit son banjo / Mélodie d'un sous (feat. Gert Wilden et son orchestre) [Mono version]
Les banjo boys (feat. Gert Wilden et son orchestre) [Mono version]
When the Saints Go Marching In / Tiger Rag (feat. Bob Langnoff et son orchestre) [Mono Version]
Zwei kleine italiener (feat. Gert Wilden Et Son Orchestre) [Mono Version]
Itsy Bitsy Teenie Weenie Honolulu Strand Bikini
Itsy Bitsy Teenie Weenie Honolulu Strand-Bikini
Masterpieces presents Jan & Kjeld: Hits & Raritäten
Itsy Bitsy Teenie Weenie Honolulu-Strand-Bikini
Masterpieces presents Jan & Kjeld: 10 Greatest Hits
Masterpieces presents Jan & Kjeld: 5 Greatest Hits
Masterpieces presents Jan & Kjeld: Banjo Boy / Tingelingeling, mein Banjo singt / Träumen kann man was man will (3 greatest hits)
Don't Raise a Storm (Mach Dich Nicht Immer Soviel Wind)
100 Deutsche Schlager Hits der 50er und 60er Jahre
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 → block OTSBitcoinBlock must exist at that height 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 0xaa9d3f3f486a536864b8b0a726acc95d0e6620f5f29c925150c6a4d004239627. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/DEF161484401.
50 Schlager Party - und Fetenhits, Vol. 1 (Deutsche Partyschlager - Klassiker)