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 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 0xef9db4a1ce97793ef18f68e92a6b570c742cac22bc6c18dc548e2c6fe4f03412. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4f894a79-4770-4fd4-82d9-5cecc1195d7e.json and https://artists.proofprofile.net/proofs/artist/4f894a79-4770-4fd4-82d9-5cecc1195d7e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
In Store: Chill & Lounge Music Hits Compilation (By Southbeat Music)
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 0xd63590b455adaa76182fc24c386eeee026a30043258d6a7754715384aef370cb. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/QZNW72394728.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7af28c7f9d06c327b3fc46aebeec6273039065c52dff8b9f55e99011fcca85dc. Chain 2 (Bitcoin): anchored in block 960509 (2026-08-01T04:30:37Z), 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/QZNW72394726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4380089c89a9cf16668e313706bde48c9a4d8007fa61196183834afe978b9885. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/QZNW72394727.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bd53ed4533ddeafbe7592f1081e56c526b41e60e2e8e1d980b3c94a78d5e342. 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/QZNW72394729.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28fc330460cf067e1d0d96b9b361992f780f0141894066e9c3c0769fca5496d0. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/QZNW72394730.
Benga Bongo - Gaisfool Remix - Radio Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b310e6d1155ff523e340f623f5eedfa4fb1909b789b2a07e5a4c59e0fc6b0f8. Chain 2 (Bitcoin): anchored in block 960199 (2026-07-30T02:30:29Z), 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/GB8KE2327262.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c09a839e8001a6043efbad420ece3736e3f93b92e6fde0ded74951612443c65. 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/GBKPL2172783.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dc83521bede65c2907260a0d0da78cbc31954b3bf2b5b8298a8bb5df99314fe. 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/GBKPL2169689.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9850322d4f6cc5c76085a7945293285c7fdeec177da6a206ba2a05bbfde9163. 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/GBKPL2155217.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34f3e5158cb9c713c0864aec0761b5c13589956160d222b4df1dfb17811d9aab. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/GBKPL2144247.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f88454bd58af5da7b766bb1b9d60dba94f59c34d499d32b38b04f8957cb6f3d. 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/GBKPL2144354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b06986a55896396d0541fb56903b35ccc1f75a51828276a51e82670831b352b. 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/GB8KE2314905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x662c904ba309358a964b5685a3897e62d88f704f6fbdd75a76706fd9365ccf17. 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/GB8KE2314906.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc57e5df153590c980f032e7cc728090e3ba315e8b48ea8a363ba6b8efe0590e. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/GB8KE2314907.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x004503066b5322b707db43bf9ef1762def7ddff6af01f0f6665160306f169dc6. 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/GB8KE2314908.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fd5a2967fa4c2cca46e746f44d0895904cdb5c7922c95c7dd4f7a6f8793260d. 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/GB8KE2314909.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcecb87f9b643b85dbdca4204367ad52b5f03e57459717952a7449f1c7016a5c3. 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/GB8KE2314910.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0321c309f414fedc32b0a4e2968b899a760eb04a0f3de1aa1000a166cd23d4d6. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/GB8KE2314911.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1754481d63f0f2db728372dfb426784e8b63325f564fa68cc2cb55ff91addb9. 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/GB8KE2314912.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcda56f43d6610bf129fa9db150c3c7eb9a086455fa3cdf4734671ab6593c2f96. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/GB8KE2314913.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6fbd4d5248df482615868cd22b0c5524a56fa35d75dd90d4da3ccf3455fe1a8. 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/GB8KE2314914.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6336dc7665efcb3397f34ef889d0e6bbcfde9d61184e73f7140a838643b9fb78. 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/GB8KE2314915.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23b32d736b89cec3e4b96f4dd432ce63106a905868cd6b2f2f637d22cd569248. 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/GB8KE2314916.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77fb171e26e4a91ef1eb72467c3b5494cd326f39bf36cf6135b623f12fb63636. 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/GB8KE2314921.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd29f27b3e8f5bb496bb3b482f61a077463e01e3dfcd2c17e303eb5c9185d42e5. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/GB8KE2314922.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8abf396dd0051f7e47372ae4f64b45a1f4c40b548dd23a1c5f4a4c52c647a1b9. 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/GB8KE2314923.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0a47a34875efadcf8d3c96f00f01926ca47695f3cbf06d8d1932e7725d58dbc. Chain 2 (Bitcoin): anchored in block 960354 (2026-07-31T05:48:18Z), 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/GB8KE2314925.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacd9abd449b57e2fc0e0017ecc61c9368edd2abe51d050881060d46c6aa1d476. 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/GB8KE2314928.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a0d137960f59a1deaec02fa57dc8ca0ca743460e3ff7fff414ea3b76ee8c55d. 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/GB8KE2314932.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc047984537c74bd63779cce2a52241f0c4b3dbc9a8d2259b7c3cce8024615d2a. 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/GB8KE2314933.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b65498f2e2c93c32b9210d62a93319f1ee47913d667dedc163748daf0541774. Chain 2 (Bitcoin): anchored in block 960422 (2026-07-31T15:27:29Z), 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/GB8KE2314934.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb75b796f11c93e56e72565843bbef98f8f5234e34786df9a71ec3182d25cf978. 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/GB8KE2314936.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98ef034639535e71174a38d94094d6e6eab73cd9b18577d079147deb8090fcfb. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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/GB8KE2314938.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd791ade4afe43b8cc6299eb9c48a8030a4a36fdf7b8bf39618023074bd37a1d2. 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/GB8KE2314939.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b52711cf846724415e67920f38614b1dae3da6784c87c8f46ba8d27f9ce1b13. Chain 2 (Bitcoin): anchored in block 958041 (2026-07-14T18:13:17Z), 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/GB8KE2314944.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53a7f0b01bbca64aceb5e916c3452ef28271bf144786a23c72be1e1cc59802e6. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/GB8KE2314945.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f4ba16a7570efc4b8ad4ae97088131896ca9d4131c2cceeca170e0ffd5a6932. 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/GB8KE2314949.