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 0x4dde1ea9bad6011086dd15b7436df72a2d62e40b125be84083e23d366ebd311a. 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/b7a8af28-1c21-4d7d-9007-dc4035bd6000.json and https://artists.proofprofile.net/proofs/artist/b7a8af28-1c21-4d7d-9007-dc4035bd6000.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 0xeffb60f20dc26a285b533d19b26dcaf775b8cb5b6b94c374f25e3f6b73b06764. Chain 2 (Bitcoin): anchored in block 956742 (2026-07-05T05:07:15Z), 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/TCAFN2163633.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fa4ddb3bdaf145835b54b45b3ed54af13b98b757ab62270a0ad6b1f1141195c. Chain 2 (Bitcoin): anchored in block 957772 (2026-07-12T23:31:17Z), 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/TCAFN2163741.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbec333761a751f61ab537e781a5ef8f67eec40c6d2c02b1c7a7d3b92186629c. Chain 2 (Bitcoin): anchored in block 956620 (2026-07-04T07:11:13Z), 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/TCAFN2163800.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x496b6611ee9db7fd767d824915d887afa91a335fe0bdabfb50c3b9ed047abcc5. Chain 2 (Bitcoin): anchored in block 957771 (2026-07-12T23:27:28Z), 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/TCAFN2163901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x270cdc6182052e4591001b29a0afa9658d1bb4d0b777e4f43fc08c31a273b447. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:31:16Z), 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/TCAFN2164050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e57cebadbfb0d350c0bc6c5eb6267219666c213e69d20f53ba40cef89dd4ace. Chain 2 (Bitcoin): anchored in block 958322 (2026-07-16T23:23:36Z), 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/TCAFN2164212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8700c88f9ab46c28755396db304594f259b3f452343c7396cc936bb6c8164e83. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/TCAFN2163929.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdef24e0df483431d4e460e55c5f187575a6e9da662f23914ea3cd80554f6b174. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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/TCAFN2164238.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x484f5f9e79d51903740acad6f9f571064559f368c133f7e3486280db65749a95. 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/TCAFN2164111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f46261ba405b9124d126f2b7f927c5a43d1b5667e014024b15ab9560b304e53. 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/TCAFN2164272.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd45f4839551f2c067cc63f4e63daec66c35769624d90f0f808d8e14fbaa0b5ad. 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/TCAFN2164368.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x581692a62ada2c4ab9711b94d46119bd78b3336a62d17c7de0430248bccb2f18. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:51:34Z), 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/TCAFN2164447.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c60e99de11a823bab2c28c8e3764c045b76f54a4c673a6ac66bbe62302346bb. Chain 2 (Bitcoin): anchored in block 958756 (2026-07-19T18:54:36Z), 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/TCAFN2164473.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x740f6ae1f2367019eb99c0cf118c6eff844d801d2fa7ba124b32e8664a218400. 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/TCAFN2164495.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e26a19820468558c4a7deaf0cb6fe9085643b23fbce8d63266e9c997b55d62d. Chain 2 (Bitcoin): anchored in block 958988 (2026-07-21T12:00:49Z), 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/TCAFN2164518.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6c22d6dcff593447bef5466645024e9bc30d756fffc23992b2f4344ba86553a. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T02:49:15Z), 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/TCAFN2164564.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa36ddec2dcbef123a1fe3bb9ac2d755c3375caaac656f735bb1a3426afa576a5. Chain 2 (Bitcoin): anchored in block 957770 (2026-07-12T23:17:00Z), 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/TCAFN2164588.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f5986e66f33e728bf1118ee8657e11f268787e96b2a44e3cee8d93ac5ce82de. Chain 2 (Bitcoin): anchored in block 957774 (2026-07-12T23:51:20Z), 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/TCAFN2164619.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6a901dbdb5003ffd38e6abd886edfae470f01ef462c80a2cd6e36e893762bef. 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/TCAFN2164705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c022f27d0d806eca210457a1bbce2b6817d51b8af4e28f3ed0e041517730711. 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/TCAFN2164740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0765e0c93d33aac182626c923c0fb6c2df8a2dee6e1ca46233223c0d614c9aed. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T15:45:53Z), 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/TCAFN2164779.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b17cf242852961d10bfce54de52a3725f14981e74f45c698a88745b4f570e89. Chain 2 (Bitcoin): anchored in block 958095 (2026-07-15T04:30:08Z), 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/TCAFN2164810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7970b21f4e4542ade229b2b483a0fe668830bab2018c82ab7ed939e1f1116221. 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/TCAHS2349243.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34785838f5ac7ad6f6911363de7a1598e8f8c29594fe77903aab18dfd50a8768. Chain 2 (Bitcoin): anchored in block 958322 (2026-07-16T23:32:24Z), 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/TCAHS2349256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb2b96caf136f374877819a69119c313807816d8beb6d1bbd33f7ea32c4a5c1e. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/TCAHS2349272.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd95cd06560156e7d4f3ec2810e226e379852fe9c6e8408aba13928a4bcf86ed1. Chain 2 (Bitcoin): anchored in block 958420 (2026-07-17T13:33:01Z), 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/TCAHS2349275.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x086a7c1a9f1a149e9e4a789077364b852e8cb6b35dff465166f866e3cd9e1b74. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/TCAHS2349281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x883b0e824f3c9ca87cc81657be925bec77fcddb45ab0e8fb6e393eaa77212119. 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/TCAHS2349284.
Malakho Men Shelyo, O Hakimo, Ho Ro'em (Oriental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05901bb844d8b87271a429f43db91c354cc03d1b9b33e08bfcc0c426d7c5f4d9. 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/TCAHS2349294.
The Alster of Malfono Nouri Iskandar (Live)