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 0x88cddf8d5d8e382abc724de63398df7c95349a66677913d04ee2cd8019380b58. 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/d0c7ccbe-af10-4484-b163-32cc748bf239.json and https://artists.proofprofile.net/proofs/artist/d0c7ccbe-af10-4484-b163-32cc748bf239.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 0x1e298056ff16f1a08765d76d749cd913bbfb48c9572963a692c099a2f4f42f84. 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/QZ5FN2286783.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8f977630954145832b0f97b6f56381ae5e9f901b039a5fdf4678f16e0bc63e4. 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/FRX762235609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77fc0b2fa5b7211b297d07393289dfafd8d1857b7db7b6a83aa6788ebbc15ae0. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/MXUM62300009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcc5b29d1054aeb44502e3a40dc8de3cf192f5827e7989db01a26cbc111de091. 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/CA5KR2332655.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53fe60f69cf7a830a8ee78b29698bcd9c4322d72814ddffe44a1cb2310075f33. 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/SGW502313983.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8096565887f2fd402b2d48320308f8b4d7168a41fc0c91703a372d9fba21dfd2. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:24:12Z), 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/DGA082318011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe359ef0bf2a71090ecb7830f2c1100bdddf5674982e6071994e1ab7df33d2c7c. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T12:18:24Z), 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/GBKQU2413349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5582e2d800a0f5028b846208e50535926c5cc33a79eef470b68e758ea546d8b9. 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/QM6MZ2434382.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcabbaa6a472f314de39d2105353fa6975088e1a4dd52f60dab53a27e7ad6334d. 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/GBKQU2449243.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff06f70193ac2984229d1fd10481315d4982f183c51ae6b90557d04c661c134f. 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/GBKQU2449244.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86346facb919dfda2138db4efbd0d03d55475665aec130b56892f719638bbe3b. 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/GBKQU2452159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4caf8a657cccce26e931fb787063a8145e72fb0dd4e3ed9829a1662b78f71670. 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/QZG2X2405025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xade3f1a3d6b6c4a9ffb440a8f82773c88c8b22f2d6b04c10736cf619b0578534. 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/QZG2X2405026.
La Blanca y La Rosa (MichaelBM Remix) - Radio Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43e7833c050a83f2618194645cb8bd97a94aebe251b0f1e372377885a4f9b870. 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/GBKQU2569123.
El Último Baile (feat. Gera MX) - MichaelBM Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81988b02ec339722b5faab7ccb9f8b3a1b1495a7e715bcb373904e2f92771cfb. 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/MXA1L2300087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4a8811975407c08a04a54c55aaf51e5f98a5edb1b5e39eb1ad07d05e211b448. 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/FR96X2135833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc6168e924ef5bbf2ca2a5e2b1b725351e8356c3577c4c815f5826e82a216f4d. 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/SGB502289458.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d0f65d7ee51fdd233988c68bee18cc8fa15dfff6dccb3fa463d2738254b1ffe. 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/GBRKQ2391373.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdb0dcd16e67ed329c330efd75e5d32306fd32c8bc2b250a130f08d745752109. Chain 2 (Bitcoin): anchored in block 957026 (2026-07-07T11:02:43Z), 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/SGB502301919.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d5f39769abbdc3201e8bda05ef3c619fbc58b3735cbcbb440becc803eb33c81. 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/SGB502327036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22fb91da120a765d6c860fb4f8ef6705e632d0be59fade564df2195636f4d9e5. 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/SGB502310332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc204306bb89f2ddb9cb09e7063a55c9a4daecb10998c65e892e4b42da484fa98. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/SGB502320058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc204306bb89f2ddb9cb09e7063a55c9a4daecb10998c65e892e4b42da484fa98. 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/SGB502320058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22fb91da120a765d6c860fb4f8ef6705e632d0be59fade564df2195636f4d9e5. 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/SGB502310332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdb0dcd16e67ed329c330efd75e5d32306fd32c8bc2b250a130f08d745752109. 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/SGB502301919.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5d55e9d29920dddabfd934a42c0441acb4f211335575aa98717fc98c2d71487. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/SGB502245760.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3273429e10d3ce435e7b9d015e63f36830f8d8a171194663b90fcc8781428b5. 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/SGB502237651.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6752cd24b78ca89d36d1ec5c1a2280a8a7790c81b21f5b0245f1772d6918cc5. 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/SGB502226407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c1aa317e1d0954354dc8638582cd1ae9cb8bf8f80c2cbd6610edacef383f3b3. 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/SGB502227277.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe15a4af4ee45eb312515705f2504fdcc2f35e838432e7af9df9fb79e3f7ea273. 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/FRX452148379.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88c18509a07439194c4510bc81c47bd48d2425ee23fe22b0f139fe93e1b062b2. 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/DEA622303725.
Bololo - MichaelBM & Francesco V Extended Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3291360019121174357c32bda8c6c733fd402bc0d6f2ac998a5f1f56e36c2fba. 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/DEA622303726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52a988c105f6c3f7f622a491f40b146ff078079132314226798877ef4d79c323. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/USLZJ1874075.
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 0x4cd5d0299c4894348b000c78e636234bf25a8ec37792367b3849ae17314f8e53. 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/FR96X2145814.