Christoph Richter (1596 – 24 February 1669) was mayor of Stettin, Swedish Pomerania (now Szczecin, Poland) from 1659 to 1669, and a Landrat. History Christoph Richter was born in 1596. He studied p
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 0xd4095784ba64bc0c2ce44a6eef413e6d93cbb5a8437b056b4a399d110b739a5e. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5f16174e-0efe-4284-917b-0a90e87d36f9.json and https://artists.proofprofile.net/proofs/artist/5f16174e-0efe-4284-917b-0a90e87d36f9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Solo Piano III: 13 Wege Abschied zu nehmen
Solo Piano I: Dein taeglicher trost (Your Daily Comfort)
Divertimento in E-Flat Major, K. 563: I. Allegro
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 0x6c58b1d4560d54311738280d11c19b73e04ee57da4b535ade89ec87ad47b9d3b. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/HKI191014601.
Divertimento in E-Flat Major, K. 563: IV. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabe6997d17472847ef87c64ecd2c58f13522be653deed31bcea59e9405aebf3d. 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/HKI191014604.
Divertimento in E-Flat Major, K. 563: VI. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02c8dfb2a7df78e56ad7f28526d35c49eb4a65c2a2c959464e83991245562529. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/HKI191014606.
String Sextet No. 2 in G Major, Op. 36: I. Allegro non troppo
Brahms: Violin Concerto; String Sextet No. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31978930358aa28af15f565c89929e1dcc7c780e60c992a4ed88a0539784bc04. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), 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/FRZ141002040.
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
String Sextet No. 2 in G Major, Op. 36: II. Scherzo. Allegro non troppo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5650a83d0dae3be6ae4048ea7098b8ff0e58b0cf93ffffea0a666647c09e5b8a. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/FRZ141002050.
String Sextet No. 2 in G Major, Op. 36: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77cc95335c1762797ccec8adffcded9947e0f78e8d9c810377eadcd6af0b2c28. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/FRZ141002060.
String Sextet No. 2 in G Major, Op. 36: IV. Poco allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2319100a5ace84da8053eb1cea24515a705376ff9796e3f6431cecda65583899. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/FRZ141002070.
Divertimento in E-Flat Major, K. 563: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe9a92b055cb038c0583f20f36927de6c9e8f50d642073701f7338fdfd286d5a. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/HKI191014602.
Divertimento in E-Flat Major, K. 563: III. Menuetto: Allegretto - Trio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca7f8561e9a0dd969e208094b8388101bc8e029ad8b42785af2d1de330b5366f. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/HKI191014603.
Divertimento in E-Flat Major, K. 563: V. Menuetto: Allegretto - Trio I - Trio II
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6b82de89ef6181badeb5e7750884346dcd2de79ee8d403aa5874b6d155b148d. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/HKI191014605.