1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x86acdbc29d315c7e7a67fbabe0bf49b8ea4ffee7c1ee5add54a89adf07790aa3. 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/b66e5cc0-00c5-442e-9842-6d9d06260807.json and https://artists.proofprofile.net/proofs/artist/b66e5cc0-00c5-442e-9842-6d9d06260807.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 → block OTSBitcoinBlock must exist at that height 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 0x469e7fa22cd7c0594db9c68df458f1df3dda83557072f26388b305b2d8b6af4c. 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/FR10S2250084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56343435f76b2269383f659caca0710375cbab4015e07e2f8bb2be1fcc2dbd7a. Chain 2 (Bitcoin): anchored in block 958216 (2026-07-16T00:00:34Z), 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/FRS182154635.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bbf07d2fda9ef53f56d07504668c75ba3d4909a58aa9aba361f96c5f2bb6cc3. Chain 2 (Bitcoin): anchored in block 958552 (2026-07-18T13:15:29Z), 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/FR59R2300961.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f8a7f3dec10cbb4ce5244d5d4d7987693e4301f18f035c199a2d6c03260a035. 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/GBKPL2155666.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x088a6504a169e4640d61a7a0ff1448bac4517765b4adb9136775852163295dee. 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/GBKPL2158398.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89383b0e2afbf34c4b6808628f87bd416ff64745af37a8c155cbb363fa9183ad. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T14:38:07Z), 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/FRX202257063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x663990fab3c9a82bb02c467b2e07c1f3af7aa8dc0916dca6f9a1b117c1a8f71f. 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/FR59R2291161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d10e41545d0f936b7939ae38b95c7bb8ea2856eef8b70bfe8f9cc9e8d48ced8. 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/VNA0F2105372.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1076f750b2959d32c1664e696a33651c3d63843bc48a4f856c45dfe76d30144. 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/QMFME2241322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x552caeb6edcfba3e63f927eb28b46c6a6f891c9c7c09d12fe7f374ebfff31476. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/FRS182153760.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd811fa368fa5ea4c33060bb3d6581aef35b82a1998ca64b065d5f88a88c6c03a. 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/FR10S2206880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x240fd0564073b1f8b67e7f3c689713edd81c90199f16f9e6f4a925f7033e3a71. Chain 2 (Bitcoin): anchored in block 958653 (2026-07-19T03:54:23Z), 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/FR59R2216091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2fea5fe0ba87a39c3b1b2740408bb4edf2ed66767139441aa4dfadefae2106d. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-17T02:03:09Z), 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/FR59R2216092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa140a431b8622978eb748eafced92effc2b4d6fcb801bf5ae042e24cf3665bcb. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/FR59R2216093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ee004b4f9aa2d758100ced77cad7a416dd3f738afa4ccacf20202fdb529bd6b. 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/FR59R2216094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a662bdd9176df215f945a8d942b4045c5d3a805583dfa583a21bf11218964d6. 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/FR59R2216081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d6d38782d852fa9894fd2972e234978c62b200ccc77622779ba718cfa4dd1ee. 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/FR59R2216082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e20204c9ca6f5c73c9e3a384b12440f304527524f02e00abac456b3d1fa51a7. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/FR59R2216084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x641930135fc7f2e417c33b4f225ed05ac4c06d464f9331459aa034307068c5d2. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/FR59R2216085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x531096d0b8e6820346d4facdf76897c73ac9826c9ef8e02f33a98633f1a75523. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T18:59:05Z), 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/FRX282218095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa326ddeaa41acdee21c273d92b8026b636fe7a72660a0161c1ddf3dfab64f793. 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/FRX762261820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ab571e746344cd6083cf9402bfa255f0312d6a525105b35dc18bb9d09c5e3b1. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T19:45:36Z), 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/QM4TW2328022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a52ef2aef256a83d7d7101a9f963a3b046c17b2ff45fe2e847b01e6ad344485. 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/QM6P42355944.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89243a58814a9805bd88bc1239af33a744320ae84284af21b5320297c2cf3602. Chain 2 (Bitcoin): anchored in block 958613 (2026-07-18T21:35:09Z), 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/QM7282320241.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5a9b93a0a04bb314d62bb7e29189e467d4e251209a9c49002a11de34db85e9f. 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/DGA0P2376824.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe06cad3364847aeffdb164140ddb654466b76ce11cca5f24dd6c62303cb29a0. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/QMFMG2339194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x468061d90535be93d52556d6d1f04216fac0cb1ccbafdb8799975f38675fd833. 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/VNA2F2400427.
Người Thương Em Cả Đời Em Xua Đuổi (Rumba)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0136c5521b1b780e29774683b38ceb0e1b24c8ee0b56dbde6a4d77aba8345e67. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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/FR2X42585231.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0f32638eb890f995fbd900dded98ccf07d8c658a76ac3e05a55110a22af5979. 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/US38Y2520861.
Không Trọn Vẹn Nữa (Beat) [Beo Lofi Mix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d831976d7a7c5ce9fc575dd9233f26995afd1a6c92897da1f6c330745969b2d. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZYHM2504616.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e4c11ac744fbdf8f912ac213fd48bcc0b7824a757856d770b2c03f3798f3a36. 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/UK6822512947.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccf68d19f719b4176e3c0d5c7c7ae686b2b3db5f43945265f16b659c735ba61b. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/UK6822513952.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2127060ba922edf5dfa79c567410b634b9bb237c94248ab203b5fc884fc589f. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/DGA062506576.
Người Thương Em Cả Đời Em Xua Đuổi (Lofi Beat)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80d523d5c12afe5bb182a898eb120127321d8350f6ed9217d1905aca57deabff. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-15T23:40:53Z), 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/UK6822514715.
Người Thương Em Cả Đời Em Xua Đuổi (Lofi)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c657d2bbb52ffcaadb04b21d7ddd78b25305343366d49f2c323d0f79a7f5469. 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/UK6822514829.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d9070e9c33914cce6f1beac346b509f5e083ea9c536072bf5575616fd7694c6. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/UK6822514839.