Johann Bernhard Bach (23 May 1676 – 11 June 1749) was a German composer, and second cousin of J. S. Bach.Smith, Timothy A. "Johann Bernhard Bach 1676-1749" . Northern Arizona University. Retrieved 3 A
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 0x11d80e02f197988eb44f912271c095b47f606ed683322452128f6d3a0fcbccd8. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/882184f0-5889-4e45-bc90-0112240c6e00.json and https://artists.proofprofile.net/proofs/artist/882184f0-5889-4e45-bc90-0112240c6e00.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x361ac03f3adef536d89c80ca24eec84101123164fafb58b8d8ec8067b8645c1b. 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/BER181637301.
Ouverture in G Major: II. Gavotte en rondeau
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x898c512c6e3b1631bb625b93fab6d3edf4362ac6bc6154f761228e6ece96e6cc. 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/BER181637302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25c2edcc3ecbf7ad2934ae550968ede7a479bd68a0e304b46e8b8bce013618bb. 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/BER181637303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6d687c4ea4723ec6ed53f65b5c24706c7480c4f4cee4498b9cbdb937b96b0f9. 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/BER181637306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x549ef944774f362907417f8e8a2050661848fa7f1d292d922866a14ee1ff6b4d. 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/BER181637307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5882f6cca0c95c34849784db2d030566ec2eb304fe313c57ce49f7431c904cc. 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/BER181637309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b2ee1afb30c83bbf78f101c7493f889ab848fdb3585f41ba9c6964ad8ee0f64. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BER181637310.
Ouverture in E Minor: III. Menuets I & II
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa0237c50625c6b860cbc5b38bc28140233a71e424223f85fa89be8b2485c719. 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/BER181637311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x506531202687e055a36fdc56a2acb96b77be5741dda7fbfffadb65432e80056d. 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/BER181637312.
Ouverture in E Minor: VII. Gavotte en rondeau
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8fa70f9a6a18eb486b88383b66bd3c2be5dbb21d2aa830dd37a06ed2b4289d5. 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/BER181637315.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c23876f58c53cd9f1b02bbdadbf9a5c4c59cdbfd02a3b17b7af662bd4ede23f. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/BER181637316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e9e5b428b42c183ccd8fd262e116e5412262dbb6c8781d4a6835d68a780b202. 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/BER181637317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cf0a40d847148aceb72aa45e09251eee028da15b6c7a7dbfd05e18b4b0b0cf3. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/BER181637318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1533b5ec2f214bb7f62ef57ea1ef040cdcc6455de43ddc700cd28905e6ddbb5. 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/BER181637319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9755fbe169b65efe71b0d53846e912650bc3dcbc2854859da04db903e383d86c. 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/BER181637320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcee38df509c990c6c7ed8d2cc16891deeb2782e8ae31a1302e6efe53a7c3bcbc. 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/BER181637328.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5db548ac201a0f4cbd9befeb42270e1b57d4269165c26ca72f5620bf8a9f704a. 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/DEE219777002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44fd54f64f3e73a106fbf38bf6d5b2916ce8a3808c37405d00647ab60c6cfa40. 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/DEE219777003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe59339b1476e83ba5e12c8195fda99993cdf3c5f8ce63f0883548be208b6f4e7. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEE219777005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b4c960cfc7820e77134ccb416f594a032bf04bd1761fe090931152965213b38. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEE219777007.
Orchestral Suite No. 2: II. Gavotte en rondeau
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5be72c344fa068d866847fcbe2a2f8f4deeb0c20486d9f8d08ac9948656d39ec. 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/DEE219777008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaadd1878b169844cef41c05ece5f100050864807d3520c01804e064302b58b66. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/DEE219777009.
Orchestral Suite No. 3: III. Les plaisirs
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7eb1289b4b410aa3c60c95eadc538150297e0900441ff2c3e0bcec9b52260fa8. 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/DEE219777017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa768b9f9b9964bb7c641f54025f26319201c2575f828779655e1711970bfc526. Chain 2 (Bitcoin): anchored in block 960404 (2026-07-31T13:06:57Z), 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/DEE219777001.
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 0x06f321e8275af538e5da3fa4d32f9b153ee29a8287e2df6cb0eb4d00b9d58fe0. Chain 2 (Bitcoin): anchored in block 960429 (2026-07-31T16:07:24Z), 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/DEE219777004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dedaedad1c7373061472d2311b4ccbece92017d9ed529974da45643d1b07d98. Chain 2 (Bitcoin): anchored in block 960463 (2026-07-31T20:42:35Z), 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/DEE219777006.
Orchestral Suite No. 2: IV. Bourrée. Gayement
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49b094f1a47493f0f912d134c5bd4ad49459ca8a8d73221b0a717f13f29dac47. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/DEE219777010.