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 0x4c66587484b7b1b64d1eaead1fbcdb7182d53bff4dd0b849b426b3892a461469. 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/2b40b998-2a29-4af7-931c-30c581531c58.json and https://artists.proofprofile.net/proofs/artist/2b40b998-2a29-4af7-931c-30c581531c58.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 0xd117fd33e62d3fdfa56078cd83bfbfa5af328114cdc34607767be7e97fb4beb4. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZ8LD1983435.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd53a9acfb67596051698c5f4725d655518fe2b318dfbedb65d891f46631e8593. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/QZHN31911473.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb15107c039c229beb92e72f2777e21d80c5706b259d425d3f6086b4a16a60da0. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/QZHN41999725.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b078fc3ecfdfdb3e6b7883e5645a0f8b1896f0dc519956d83136d48581bdd2f. 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/SE5BU2117514.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x380b605c2a2e344ebf8c3feef6bc534c9100a52d526b6a04a6db1053c4390e87. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZJL41900272.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc0b73e79a4e2881f1e1fe9c0e1e1d252f55a3d819ee8b3a127da21579766c7c. 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/QZJL41900274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1e39e5a4c5b14ce111ad7acb75ec6b3d475315f24b95f12ebd43bdc4b097e30. 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/QZJL41900110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c7c33353b20546c0bbe8a420a67fa0514b6a69f0b883158d198bae0532dab12. 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/QZJL41900284.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc0b73e79a4e2881f1e1fe9c0e1e1d252f55a3d819ee8b3a127da21579766c7c. 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/QZJL41900274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe992f4f417a6945319df0dab1db37bf5462a51457be7097a9ff17331d80184f2. 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/QZJL41900290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x380b605c2a2e344ebf8c3feef6bc534c9100a52d526b6a04a6db1053c4390e87. 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/QZJL41900272.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb177ccda97801724dac9deb010819ee2751a7b8ccd5b0c5ff65b7e573cacf3fc. 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/QZJL41900292.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbab9fa629c18a2aaec164828f2644744c253ba3f2a2a0b91cc370fd1cada7d3d. 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/QZJL41900293.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2bfc47f457f5bf96176cab110be0795e3fde16f57b316f9916b83588f3a4d20. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/SE6TI2189400.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf59c360695fa52e57f0f39ac2db7623c0312154220d1aeffe3af9c076c9c8a25. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/CAN112200841.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe28056e64183134f3e3304a8d7c4285582c87bcae00c8664472a8f01ca4d0b3. Chain 2 (Bitcoin): anchored in block 958491 (2026-07-18T04:29:42Z), 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/CAN112201280.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77e2307a6594191a3ca4b48f4a0a3ab85420f5abbd5c7dd0467cb0ad042e7687. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/CAN112301099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a047a9317bb39a925997fcdc595f97c477195956b6044c2177bb39e1e282513. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/CAN112300427.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7d4076ed0daf9e8c3e115122ef95c3f3bb32b8fd0572e1e1559055d465f2dff. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/CAN112401492.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45c5089f4003c96bdf5e429166cb674bbb31e3c5a3e4a6bb5caf2dd921f221da. Chain 2 (Bitcoin): anchored in block 957874 (2026-07-13T15:43:57Z), 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/CAN112401806.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1514513dc97bdcf10545fd36874d8f35b8b62d3210de06afd284ac3baf522886. 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/QZVEM2310045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba549a794f5b44df92f1529b65375758d8d0aaa7ad6f1e51b0898aac632d460a. 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/QZK6L2190774.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x393c2c19510aca36b0f78f81529f05db8e3d828518b47116d621871e1d18ba37. 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/USSM12210907.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46843ab170714c5ce582c4cef98aa2e35401ee79d4b05973c898e2a9e6d80a9b. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/SE5BU2109432.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fed3e38267ff63eed6c9954f6374a27657a8b8f2da57bed287faff7e6e5b753. 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/SE6A92107326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2832970292e933dd72290e3345300d3f3c3125cbaa4ec52dc57ac3b756181ccc. 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/ITB002000592.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92b4812c0b94c7c7a90f0b2c2eb6e93237f834f273aa6f1e6cf08fd9455e8844. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/ITB002000507.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92b4812c0b94c7c7a90f0b2c2eb6e93237f834f273aa6f1e6cf08fd9455e8844. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/ITB002000507.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a44aea8c898c09dd79128a66a9775dd02ccfadc511320639701c058002ce95d. 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/QZHN51941477.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd5dc61a016fa1910d6984d245aef9358ed5fbbdea483f056316d15ce3712ecc. 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/QZFYX1908677.
won't let in (feat. softheart & laeland)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8209782639fb17545a893dfbd981de5f3b0c65a4a9b9a6c8f6b7e040d7a76678. 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/USEP42008020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9864221fd163c222a7d80ec26adfaa085fd776fe98fb2b9de02421d948a186f7. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/NLRD51952312.