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 0x7e406acfabeec56469b65a096a2953f1c5c86a66c674a4bd866311c17322ed7e. 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/04294cb9-342e-4711-bc30-22f0308c9fdd.json and https://artists.proofprofile.net/proofs/artist/04294cb9-342e-4711-bc30-22f0308c9fdd.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 0x6f05ef0bff71dea99f82f09cc7e77c92e5250bdb7e40b0562ea207d448502c6f. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/QZNJY2105712.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa419e7ad21f608f93bf9ce77a07f2b67216357589b279f8963c398d60757330d. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/QZTVM2132854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x819a0e1d08e4abcc77535d4db4694ef16a4b7c8712cfae00926fd5b738523035. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T14:09:27Z), 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/QZNJY2283476.
Eu Me Remexo Muito (feat. João Grandão & Edu Matuto)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e57e28e8b6657b84c90e354a19b433b3d569f885198e0c68386105fe182f6c1. 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/QZEQU2224108.
Vaquejada (American Pie) (feat. Edu Matuto, João Grandão)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1a0add8abb30724baad2745044c5edfd140d104a703bcdad6ec639e19180457. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/QZEQU2251703.
Ai Ai Ai Violino do Papai (Remix Forrozin)
Meu País É o Nordeste ,Tchan Tchan Tchan
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59b4ba9feaa2efd55e56f0ff334d9179a5bc27f718214238108b73ebe164320b. 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/ES16F2300031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb97cf55f6e01a64c7201825baafc15066e25aaa682cecccec5188758c9850949. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/QZGLM2316297.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc21040c0915cd6de20825cf990bba05414b3ff5ad1930009ad8c99c58753c73f. 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/ES16F2300064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0d2d58dae5c43ff49654e9b6fbdfc67d05ff39b994b02c28daf31d79a29ed2e. 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/ILTON2300135.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77b67a5c439171281520d68729e3533c05322c0b2448a83db98747a062798bc3. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/ILTON2300138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4250fcb0dd99d501be2369062c87da17b1f2a016523369b84133946a808e4456. 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/ILTON2300140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d831e0d23e294b68dd164974dd3266a616d546e62b8c89b6bc0bf0ce70787ca. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/ILTON2300142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02d75e9e1d726c20cf12473cbb101162d99ad8533d13115041bd243794bccfc5. 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/ILTON2300145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd42a48361adaf7d69aca0246f0d40ab0f6e1ae34269e6f4239f21da7d8f91666. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), 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/ILTON2300146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16e35daf71603a7990c82c5dcc31a1550f690a16caa90a2147ba8e860ea9f0b1. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), 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/BCSUV2303878.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0e6fd1f2d920cf7c40d12252a923585b857dd7408017ff8cdeb6e0d80fb04a0. 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/BCSUV2303984.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaeaad08b53684bbd04ef1c87348539f98a38f6f723afac2c53c705232e0d87e2. 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/ILTON2301134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7d075ca5a7d2389e29a5764c922d8d924cf37d708c898e506b9b5165c3e4fcb. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/BCSUV2304296.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4c34a1dfa1898981426f45135c0d7ab8e77ac6915b1a25afaca96baf022d88f. Chain 2 (Bitcoin): anchored in block 957868 (2026-07-13T14:56:55Z), 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/BCSUV2304822.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50edd5f903c656a43c6560742cc87a68ca2302f10bdd4c9955abc2b9edf3f5e5. Chain 2 (Bitcoin): anchored in block 958111 (2026-07-15T09:42:49Z), 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/ILTON2508004.
Sacode Inesquecível - Ao Vivo em Fortaleza
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9818c6368b1e29de537a22a872c370b41bbf0851a5baa6e2bf58e34a9becbbf5. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/BCSUV2400990.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2991223e74936ee92fb66438f69d5f28d3f7bb8d0c805295fbbe8d0193d9f18f. 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/BRG682200060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07c879c577c05320f9512e8e9a7f91427ca2ed70dc5d740c94e50b9f4e5a43f9. 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/BRG682200051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf480ee1b9dc29c9cca852b42e65ccd01a615d1bec79fcc92b414cf892b740bc6. 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/BRG682200052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2686850da138c0cce39c54debb5921c5273ca940f9e57cb5e75c8c67325e173f. 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/BRG682200053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdac9576346ac98ed6885c8a00f0ed2775434257d25ff53fc18297462aec51702. 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/BRG682200054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbcbaf9b06e7969f2e51e79f2d3779a14fba22689f9afd4da56cbffb13b9a1df. 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/BRG682200055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61cf78a2080d1b0f7fdf5264d2f745961b517ae35445c50c067f7d20487268a8. 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/BRG682200056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x482f1d56f4dae2da263609c9c4a1321d5ee0c1c03fbc62c63a383c8fe93bcb08. 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/BRG682200057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14efaa88141e8fa0cee5c0644b7736ce707f226a8658b56cb9c89139051e01bc. 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/BRG682200058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01f3c675a237bbea088c4d04134a9e561667b513d747174ed058de6b277e6e9e. 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/BRG682200059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9818c6368b1e29de537a22a872c370b41bbf0851a5baa6e2bf58e34a9becbbf5. 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/BCSUV2400990.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00006a96158bb7071c1db312e47194405ddb72ece5b86ae4ae83e4b3a2340129. 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/BCSUV2300183.