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 0x6f13ef4626c8a930fc05d72bb40cc2d3652815a46177478faf47c49b94b289b5. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3b2efe61-3895-4310-baab-12db423fa4c6.json and https://artists.proofprofile.net/proofs/artist/3b2efe61-3895-4310-baab-12db423fa4c6.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 0x97bd92308adf750224e9ecc0b25a34ba099c0c1c243aca2f71a0d29d62200670. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZES72503685.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0090ea6124a428b3c69f6128edf3fc26f3c130a6ace580ab543905ea11c4fa0. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZTAW2548988.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x565ff4167e03c4c15c5b5574ae00de32a9398be4c9d9fb417619f36dd5cf423a. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZDA52246469.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x653eca404730206be0b7be53a19bc1de0194e3edd120c7c0779913d859b5933c. Chain 2 (Bitcoin): anchored in block 958111 (2026-07-15T06:58:20Z), 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/QZTAW2546274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89f194e38ad26b5029ca7ec34b08552ff39d415bcd90a15091a8a731b60fdf9a. 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/QZWFG2362499.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1767484c190aaa9b890590b5f40b82de8d8cb0984dce85fda5b30a68ceb2094. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-17T00:42:19Z), 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/QZTAT2526354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x304ec3ff2f6cbaa5828ea8da6c30e0ef1be577d620c7488838ed52fef5a6801b. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZNWQ2423286.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd697ca7baaa4bed329617028a7dde385cbb54a132cd3002a07af3bebe7cadf0c. 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/QZWFW2428616.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd2538cc056b97a1f8e62ef74bf74aea4892d2194c0a4cb5ebdf8ac6eca6c0e0. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZMEN2540878.
Sassy Gvng Presenta: Codigo Rosado, Vol. 1
Sassy Gvng Presenta: Codigo Rosado, Vol. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94b5ed2ee34c75e86cd80142058c23ada260a65ee085ccf7e94164a600020bef. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZZ7R2587067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26c4ca7737801fd2e76ea45e1e2c0a298472a6b5c3c81e4c981c192ea12ac8c4. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZZ7R2587068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9cdb6b665382d8d8fcc5038f03f7e30f4e023b4ba4e84331fa6fc69a705074f. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T11:05:13Z), 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/QZZ7R2587069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd52e6252af2d77467d4111eb91310091c70538185c2d04e5c7eace85de4d33c. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/QZZ7R2587070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04f70d17ae20eb493c5e94e86ec30213ac813ec9649b1efcd008d8edc6af0839. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/QZZ7R2587071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2aeee8b3ab7b995d2bf05c065c530362c4b81242fde56d48bf6dbe5d2e2086c. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/QZZ7R2587072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bf5f68aa036159da5097e6cccbd989f7c42d4d2a677607de2c3bda3d8352958. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/QZZ7R2587073.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fb231fbe97bfee87970a57e8e27c9baac7ecfb132748a16a410abe49a2daa6d. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZZ7R2587074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb1baaacf25b29f1d761d47c9dbe7819415d39479d2b5d5183166d353b3faf08. 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/QZTBA2382722.