Willi Forst, born Wilhelm Anton Frohs (7 April 1903 – 11 August 1980) was an Austrian actor, screenwriter, film director, film producer and singer. As a debonair actor he was a darling of the German-s
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 0x7ed3231762d69c8cb06e8f2a6beea2eb9aab3ee20aca4fae4043d5ee3bf16e7c. Chain 2 (Bitcoin): anchored in block 953612 (2026-06-14T08:22:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/14f6a6fb-c5b7-47c0-bc7f-b4e7f0eb09d5.json and https://artists.proofprofile.net/proofs/artist/14f6a6fb-c5b7-47c0-bc7f-b4e7f0eb09d5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Kreuder, P.: The Best Hits of Peter Kreuder in Original Sound (1932-1940)
Chronik deutscher Filmmusik - History of German Film Music, Vol. 2: Melodie der Liebe (1931-1933)
Die besten Hits von Franz Grothe im Originalsound, Vol. 1, "Ein Leben nach Noten" (1929-1943)
Hab mich lieb: Komm, und gib' mir deine Hand
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 0x159aa9c31a31368f13e8868f58e14e118e7403b1161e7a20f5d12d1ca5ef53e7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DEL111300073.
Mit Marie mochte ich mal auf den funkturm geh'n
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbad8fb171bf0bda712d8f44b3bd7d2696f83b21dab728943e73c2683faf7065. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DEL111300074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6836c9837321944685bb4058c87b05119757894efc63366359e489d0796fd7ba. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DEL111300075.
Alarm auf Station III: Mein lieber Freund, sie sind heut' eingeladen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc90f24cb4300c1dac5396346376ae35f4b4cbb51f8cfb2d8c75f87b840126db1. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DEL111300076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd61a8e5453aa921dfdfb4976d1a60ac33ec2164a637387080b3a7159974aa9b6. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DEL111300096.
Schlagerperlen, Vol. 3 (Die schönsten deutschen Schlager)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b415b761fb93df6b052e9dc918b006e49e66b885f243e0afea196c8d3fe5325. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/DEHB51206541.
60 Hits der 40er Jahre - 1940 bis 1944 (Das waren unsere Schlager)
Musik In Der Heimat (Music Of The Home Front) [1934-1944]
Schlagerperlen, Vol. 8 (Die schönsten deutschen Schlager)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fd3ba2bc49deffe59873d9b24103e90fa6b238e91fe4298a69a6eda8c7847c0. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DEHB51207208.
Die schönsten deutschen Tonfilmschlager von 1929 bis 1950, Vol. 11
Man müsste Klavier spielen können” – Die schönsten Melodien von Friedrich Schröder in Originalaufnahmen (1937-1943)
Masters of Music: Tonfilm Schlager, Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f9e69d7a06b5f77c2a45f2d79578d3044c0c4382e7bd3131074a289088884ea. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/NLHR51262908.
Wien bleibt Wien - 50 unvergessene Wiener Lieder
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ab6187131ecb972151e73cd3a8d29d5f130d7eae2c2698de1b9c58f8913519c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DER751867430.
Masters of Music: Tonfilm Schlager, Vol. 4
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cfc114757de6c9f688da633c26f3c3102ab886b90aea597c50de158c2bb6384. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/NLHR51263653.
Schlagerperlen, Vol. 9 (Die schönsten deutschen Schlager)
Schlager Music from the German Cinema, Vol. 4
Das ist die Liebe der Matrosen (Die Goldene Schlagerparade 1931)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ce3cf24ad31925b93ca1d49c7253118548a938adc6828c1c94206044aa82e75. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), 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/FRX201583622.
String Quartet In D Major, Op. 18 No. 3 - Ii. Andante Con Moto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x062a0bf7d183ee7b79675101b5453cc2df7dcbaa4c29ed973ee2a53ee9c2d374. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USX7N0892510.
Masters of Music: Tonfilm Schlager, Vol. 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a4fff36a84d3e28e9943b0f291d3964c3aef2b3e37a2230b95902e8cd0c60af. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/NLHR51263619.
Du hast Glück bei den Frau'n, Bel Ami - 50 große Erfolge
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24ffa7a71363b27b0c28fb585e9ed2725fd025bb1f910e3756dd84e180a0ebc6. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DER751867407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f961ad2875d3717f202c84d2ea0b478d5b7e06e4151b5daff3d1211de0f13af. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DER751867422.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d0275b4bcbf8ab141f17718710dc1360bed4ab9c441de4a03e52e14df1423a0. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/DER751867436.
Das gibt's nur einmal - 50 große Erfolge
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4720cd589c7c5056a3fe34131091bfca8e0a2493c19c8b47c90da29238fa11f8. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DER751527207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9247cdd36c166365b17fcd0ecd161aef83cc85459921eabdf992487c27718f9f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/DER751527236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x526edeeac63b99eace719e49b17a4a7a3000da639dbbe5926842958a2759b989. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DETL61407693.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e79953a3a529b9a51c986f4dbe29dd34365bc773db23130a9c5827c6a90ff66. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/DETL61407692.
Deutsche Oldie Hit Parade - Die schönsten Deutschen Oldie Hits, Vol. 74
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7496c63b1f22a11183ef415f1de010ff69c89ea156704e80057f9170cf781cd. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/DEBL60326609.
Wirtschaftswunder Kino 2: Bei dir war es immer so schön - Fanfaren der Ehe - Die Frauen des Herrn S. - Musik, Musik und nur Musik (Original Soundtracks)
Habe die Ehre - Schlagerlieblinge aus Österreich
Die Geschichte des deutschen Schlagers 4
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ab58cf924e20fa5861cc5ba0ccdd19980e4ac498f0762765f8470d04403225e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/UKMUY1726207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fcb320a5eece4b99b2ae0dd15cd35e91503c56edaedb1438f0c215ec7850e12. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/DEBL60534386.
Schlager Rallye Folge 2 (Titel 1938 - 1951)
Ein Lied geht um die Welt (Original Aufnahmen 1933)