Kurt Paul Otto Joseph Richter (24 November 1900 – 29 December 1969) was a German chess International Master (IM) and chess writer.Hooper & Whyld (1996), p. 340. Richter. Chess career In 1922, Richt
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 0x27f973699479a68235f3160ac50e4361448c483189f7841a52b39a543b64fd9e. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8f33f581-993e-4489-b79c-6660c5e17f0a.json and https://artists.proofprofile.net/proofs/artist/8f33f581-993e-4489-b79c-6660c5e17f0a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mahler: Das klagende Lied - Schubert: Die schöne Müllerin, Op. 25, D. 795
Otto Nicolai: Die lustigen Weiber von Windsor (The Merry Wives of Windsor) [Recorded 1958]
Schubert: Das geistliche & weltliche Chorwerk · Sacred & Secular Choral Works
Im Reich der Operette, Vol. 4 (Favoriten - Raritäten - Entdeckungen)
Im Reich der Operette, Vol. 8 (Favoriten - Raritäten - Entdeckungen)
Im Reich der Operette, Vol. 6 (Favoriten - Raritäten - Entdeckungen)
New Year's Eve Concert: The Best Classical Music Programmed at Vienna
Auber: Le cheval de bronze (Sung in German)
Teresa Stich-Randall: Recordings 1953-1959
Les meilleures valses de Johann Strauss II (Mono Version)
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 0xb5f1728ed41ef3e4e042fd22853280fdaf079ac7f1cd64ef1fea342c185d9da6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FRS181263122.
Oscar Straus: Rêve de valse, Extracts (Mono Version)
Kalmus/ Gal / Richter / Kolbinger / Das Symphonieorchester des Bayerischen Rundfunks spielen: Sinfonia concertante für Oboe, Klarinette, Horn und Fagott
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd44a25d9f225ca7921f061631ec531cc11f6c83d09c0e4b3d502cb809fd9c06d. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/FRZ035902290.
Teresa Stich-Randall: Recordings 1953-1959 (Orfeo d'Or)
Straus: Rêve de valse, sélection chantée en français (Mono Version)
Straus: Rêve de valse, extraits (Mono Version)