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 0xd4e7b291c8c26c5971e1411c3693a6b91bca2cbc1bd743c7ffb66210a882e2c4. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1a3770eb-baeb-4d98-8877-52db8fd397e0.json and https://artists.proofprofile.net/proofs/artist/1a3770eb-baeb-4d98-8877-52db8fd397e0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Incredible Adventures In Khazar Khaganate
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 0xc1d9caafac529f0df177204948066307f91ea14e7109bfebdc93369b7262fce8. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T16:15:56Z), 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/DEG931850750.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d9ed19a34141c2c1b869f440d46439131ec6f3adfc2bbdc108fe70efc7dbd9b. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/GX2XW2100007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1a536932302f438c707cf64c5aad88dd0d3065fadf1e40efea60ef4becd1025. 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/GX2XW2100003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a07fde912f3a993d57c7c9c4625a84b2221cef6f7901c2026d920deeea4a672. 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/GX2XW2100004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc424413a36aa36a11766fd7d7a0e65c61862b98c67e0d4587e43b273db6e8a0. 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/GX2XW2100006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d9ed19a34141c2c1b869f440d46439131ec6f3adfc2bbdc108fe70efc7dbd9b. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/GX2XW2100007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35ad00000a59a6b4efbe6ab8d1eba42deda3b6b724588ee2a8b4ba9ebdb2cfe4. 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/GX2XW2100008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7acc5d0aeab41c04e0ea72954ed8681fe3e2c514f465b158fac60c8e08d6d9c. 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/GX2XW2100009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d719693851909abdc7cb502868e677fe991cee885e29b96f9a5eac1b6d00101. 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/GX2XW2100010.
Czars In My Eyes (Prins Thomas Diskomiks)
Czars in My Eyes (Prins Thomas Diskomiks)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f58d109a0c0430bf1780368385430964ccb1d59445e81e9619d081cc0bf88f4. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/GBKQU2342763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50b9fbcdb7ce32ebc5e7412fc2037fcc28243c2dae47afa64965ae6dd35e6af9. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T04:59:04Z), 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/GBKQU2342764.
Sorry! We Did Something Different! (Part One)
Sorry! We Did Something Different! (Part Two)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a28f4d8b378e978454ab0cdc70c969983b2f2e53ca86f5fc65fe97ccb4cafa7. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/FR9W11928589.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59523c88966284ba788bd5528a711c02d850867189faf1c91de3da57e9717dc7. 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/FRPDG1800230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc18249e4d00dabc598e2a7e985db6ce669e5358f9f653a07f76684f93116769f. 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/DEY471813706.
Eiffel Tower Syndrome - Simple Symmetry Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0161a9c7db40e1b01875010adf625fc99c6f12587e1d2d287aab4b7737735cf9. 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/DECY52000046.