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 0x97448fd2be00078647fb9107f916ccd0147e5516d0cf0c2aac893f510ba6c731. 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/963063c0-3400-436d-8c16-bb8e01e0cf05.json and https://artists.proofprofile.net/proofs/artist/963063c0-3400-436d-8c16-bb8e01e0cf05.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
March of the Living (Mira & Christopher Schwarzwälder Remix)
March of the Living - Mira & Christopher Schwarzwälder Remix
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 0x5a2947937dd1622f803756532458ce52427c06552cfe36b7f6b36ed117a880f8. 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/DEXO22398497.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb479e52770efde8f6469d23fb811616a5656bc70a5b0503f3e8d8c8568fa221. 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/DECY52301345.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf9d673f13cf74e85e2536a1afdbe63af6f9ed7fe1943a877eea41e1ecd21461. 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/DECY52301347.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb99f6bfde2e4ffddfc579da828bbb0fe95a58b1735275805019950e64f4fdf24. 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/DECY52301348.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5491225ee4ba07d4ff875076e08159fb58a0e87d6c63cb48f59e6e7fa797f704. 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/DECY52301349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95cc1cd4650680a714bbd2287c96532b1fec947c299367c667146f958b15db95. Chain 2 (Bitcoin): anchored in block 960167 (2026-07-29T23:42:34Z), 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/DECY52301346.
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
Murmeli - Original Piano by Orkan Türkmen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2648525f20652143ea999e24ee96d35ea69c8613d13a710122e3856b6c0894b9. 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/DECY52201886.
Murmeli - Mira & Christopher Schwarzwalder Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x822047832fccde7e8d0972636b21058d5bb47ce8fa0794c2f22a8d6e67413cca. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/DECY52201887.
Siriema (Mira & Christopher Schwarzwälder Remix)
Siriema - Mira & Christopher Schwarzwälder Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa25027be668854e1abc372781386e0a17fe7429c3de5098dd0c4b79733d3120b. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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/QM6P42229087.
Herr Lüdeke (Mira & Christopher Schwarzwälder Remix)
Herr Lüdeke - Mira & Christopher Schwarzwälder Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7616b1097d154ca5cd22f4e6da97b6a78cf9f66679c77ee583ec65856094bec. 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/DECY52200326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4003514bd4323c172f2db0ba8f3388bd54639021e8b7c24858e91536f64b1859. 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/DECY52003267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e0f93bdb82881f515876148b0c86db0983f48ae067ce35982a131aad766537f. 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/DECY52100497.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d604920bf81083e37a15545452d52b409c5aa05f0ac9ef70f305fa97eb203a2. 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/DECY52100498.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28f2a88bea478aaf3b6ef688bdb25a5dfed2b2298c4c7508ddc7468e9d0be6ca. 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/DESH41500130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff985a02c80f46d0282c23ed4581162d15967abc58964130376c85bc1e6fa366. 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/DEY470931326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ee134c30fe3d86cc94ccb2f6705d49e88648dfbcd28b54e4cfcc39e931fb2e2. 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/DEY470931327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35a158f9ee4a89f4b81ffbbaa822960d9a1e6aa7a6da26b0075324eaf829280d. 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/DEY470931328.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c351578bdf01155237f8f6e34d5c9205271dd5bb8633e88ed970e8b3bc5d23c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/DEY470931329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0c2524b8534d233f426c85e1be249509fd326ecd530b89c1643596a48da602e. 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/DEY470931330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c4ded140a218abcd1db2ba0fe90ce554cff2cd459c972b18218f7a760f34108. 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/DESH41100003.
Miru Mira - Nu & Mira Think About You Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3ff4059bb260c23afb02835a00694473d2026cd39b89a375ca723ff46dc1ef8. 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/DESH41100004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x826f4e59045ce37b960af3d44251b919973caa4ee9c49d01e2ca50c60036fd52. 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/DESH41100005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b60eefc49f41d23d42fede943fc174c8b95881002e00f4d364474a439f4916d. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/DESH41100006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x615461031368762b070350eea94fc42e1abbd2b38a71e4b4d8ee3fef36469aa6. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/DESH41100007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5de0b6bd1240e168900cb0d02f4c1f817e12be9623086dee329aec2936523ca. 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/NLHR22100468.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19b5c54ac9a96770a30dd9ba15eea223260951f9ef7a7f65e4452168c13226d3. 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/NLHR22100469.
Don't Go Asking - Mira & Christopher Schwarzwalder Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69b090050fbbcf6af67f24ade6f4a90030f975bad51aa3d16fbde5c6eb04d97e. 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/NLHR22100470.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x303cc9349b49df7a67784380faca281d3ba122a007632a4305fe7b0318c4e113. Chain 2 (Bitcoin): anchored in block 958042 (2026-07-14T18:24:07Z), 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/DEY470942918.