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 0x4c2751af85debb47933ce708281ad653ab62c1f636de02a432024d8b62a05145. 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/a770dc27-5968-44c2-b2e0-3bf8b1f965b0.json and https://artists.proofprofile.net/proofs/artist/a770dc27-5968-44c2-b2e0-3bf8b1f965b0.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 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 0xda4e93fc9bc5735b49e8bee06ceb6cb4959f23fb88a3316c54083d790b33613d. 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/BCFCV2300060.
Chama Teu Vulgo Malvadão (Zonatto & Bruno Motta Remix)
Chama Teu Vulgo Malvadão - Zonatto & Bruno Motta Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cf216ac6255e46d2d624c51c001ef561235d519c1e72b47558da3ddd87fd016. 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/BCJBI2100032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08f4a07a323d3c4b6a93680105c22a2b666d50cd699054f1047cd6468cf89cf3. 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/QZWDD2483340.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3450264e23e9e538f3d39b1a125a4f76f843e9337ee489a89b5dc9626be550a0. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/BKAVO2200400.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3794b1ea33407bdb2f3cc558c1c92cf8a2e22f9c64ead0be2cf3ab54c2ebb92. 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/BKAVO2200327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a97b29299ce6be2c8de4352128eb68a4d462f840926a5a5de24e239b1f3fbd3. 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/BKAVO2200328.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd35eaa81fee1358aeebfe3a5cfc5b7ee1629e72b0bbe511f4ec48e27f86ef2f8. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), 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/QZTPX2322579.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35ba42874f48b0b8043ca6abbe27b318f44fffed7de421a46d75dce692859b5b. 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/BCFCV2300426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b19ab2534ea350c40fae0b1fc2ca98cbed3cd32779bdd409b03a7afb2863f54. 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/QZNJW2378676.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00fce6c8b77eb14a18e7e41cf92041a91d3d82b6a3c436ea3d0a2d2b737fadc5. 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/BCFCV2300287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x398176b18ac69f66b6f8795d17383b8f6826a1cbe7d1e5171d85ad04f150aa2b. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/BCFCV2300134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4aa953c5255a2dc644b5dcc8a2bec8f7fff4a8cb51c0bdd74f8748f6de3102b. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/BR1BO2200032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b0fdf9285b2bc2da7f1574a6f2a0ea7ba8e5d8ef8de4bf9e819487ba4a1f77d. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), 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/BC7F22100012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x947aaee917c169278f4e17d13e099dc3c89f3e98144359891e87d70010fe3bf7. 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/BR1BO2100106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85e3380b383874bc51988a4f995a19b60766e3d9e97e096092ebba968dc51953. 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/GBKPL2029161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9de66cb412e7719c322d3528e9f34d49fe0cdb47ed0e22880d9e206787125319. 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/BCZZO2000001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f349825195d3e6b5d4e10569f534a351bee8bd87d8433f0f4f521eb971eeaaa. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/IT0J22000146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d7419ab7fbfe6c8a4abab4e10de7ebe684352559c91439c14732c7534574e40. Chain 2 (Bitcoin): anchored in block 960311 (2026-07-30T20:45:02Z), 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/IT0J22000147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50005dbd4539a7f3e5443115b0e2ac69861127f915d768e38e5b1ab6f25d3894. 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/US3DF2520732.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08066e2f57d191a2a02ad6725151c4130c41101ec218080d62b1c579d4f8f049. 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/GBKQU2009628.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x741d6e43d01fd05eae3826dc137a705d3a96c281b197fe9d33d5661f45bbf326. 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/GBKQU2709650.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a772d216cbef01760adcc73bcd9488eda38f178b826488fe77da7baa5990da3. 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/BKAVO2000027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31da95934ee7d7fa188ef93704f719654a6f53d5625a3f2cb21044a9bc5a47b5. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/QZZEB2419165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0aca5ab07a8c19cad83765d6446fe308a3a1b94d8f7fdf36f7e4e2d1b86fe8c8. 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/QM3DF2401058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25f01f8d52c2eb7c70f4d6ceca0cbcbe94d70ff4c69e94f4847c0b5428feecc6. 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/BKAVO4440404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a73665368182ad71c3181dc22922f44c1a6f9c83149f631c6f683339d2dfd9d. 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/BKAVO2100777.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1180826933823997c50f9e6e5a8b863a18245c1c486301077709ad7e2a693e46. 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/GBEH41910214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe46cb853092f74f184dc895249ae83bad321887f713bf2a855eea9f01940dc20. 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/GBLV61809990.