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 0x1775e759332aa84229f683defee495fd3b8ad6af70fefe0815b9bce694858e09. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/81df4eae-7e15-42f4-aa21-bf4891de76ef.json and https://artists.proofprofile.net/proofs/artist/81df4eae-7e15-42f4-aa21-bf4891de76ef.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 0x9484c5e4d87cb1c85af79705f9270c31549b69fc378b9c0eebf85d8e25ab73e2. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZNJW2174347.
MTG (PIA AQUI NO 12 PRA PODE TREPA COM 2)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97ac7637fbaf16fc0b83cf1d0bd550bcdda1fdcb45c2f1366273a249c9211781. Chain 2 (Bitcoin): anchored in block 957874 (2026-07-13T15:43:57Z), 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/BC8DD2200016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a79bfc05cdee094c41ecf4840c08d4ed99157efa2474d92684964bc7c1f56cc. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-17T00:03:28Z), 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/BC8DD2200008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x697445780c7587c5b2244fd35a4ca8f447e579e26e33238017c4ee238410bc71. 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/BC8DD2200034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5799589ae705f438d3cdd1b4884798f1de8fd2da1d672112733cf1dcc21fa27. Chain 2 (Bitcoin): anchored in block 958504 (2026-07-18T05:41:32Z), 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/BC8DD2200158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf983554957d482caded9a31dd2a1df199b38475e94c496f00104dbb42dcf778c. 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/BC8DD2200209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c6d89f4044ce19a66ea4ffa70e8ce17e18a0533936e0852562e1810ab4e1de0. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/BC8DD2200201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x364e6cbf163aa8a5f835475ef4f9c4afaf364013e1a7f6deeb9ee0d4fcf21eb9. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/BC8DD2400022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30e3ac795964439af6a73ca247e91b1cae3561504e89c591e08f3692a304a802. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/BKCMX2400481.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e22d0c8e6b076494f2390caec22ea2873790e04c0b9f82b6e2a63050f6c4a8c. Chain 2 (Bitcoin): anchored in block 958506 (2026-07-18T06:14:51Z), 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/BKCMX2400488.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd758def1867a8aac31dcd823d2fc05e48f94d0511ee87e8031e1e70a6abd28b3. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/BKCMX2400558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88e290292e61c9c8973843e6100f4b0231f56101c10ef8df9a22d31032a5cd4e. 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/BKCMX2400512.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fd47bdd3e66da1ae4e3e205249643ca87efb4bc7be14902ae6e0c3b73049a94. 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/BKCMX2500071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56f7b6fd78fc1c2f5c776c3f8ac6a69b94505175352b329e9a43d9fec36ba5e8. 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/BKCMX2500012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcaa60eedad15c1bea9adf12c05ccbc5f62dadb9f41f9128411bf7563d5ba70e5. 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/QZNJY2323913.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1b0f403720d52f4496bfb355df802d148cecec71e498acdc3245c8e90bc0edd. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/QZW9L2249965.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c7353ccfea735823f06210cdf0b63ee116afb0d32f815b50c57bae4efbf43c4. 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/QZTPX2262151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cc02580cb3db0db414d23f2d513f1c15d2cde986b6dc9b2d1b8a276f158c2d2. 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/BC8DD2200211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4323a1b687a15590ddb7ea4ac4f05dc8694f30965bb13b2bf226ec520799c48. 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/BC8DD2200220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3561f92e5512e2ff614539598d60f0c74962d8ac86afd3b2511955f4a734fa2f. 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/QZW9L2332575.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6a2d2f09881b4049ab4c58033589c08c5faca6bb8b0681eb634c885c203cfa8. 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/BC8DD2200048.
Entretenimento (feat. MC LORIN DA ZL, DJ LIMA ENVOLVIDÃO, DJ 2K DO TAQUARIL & TALIBÃN ENTRETENIMENTO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b8b55b9ffb40a3ab5ccb48f5d9b2462334d4b7a33c4d90c891e5ad906477766. 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/BC8DD2200214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75b82926426a131bd9a780ad3c7e8624ef20f0211429c090084b8d6a44483778. 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/QZTVM2471195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c87f6f61d0cf75e63d18071941dcbb3a8676ede505bc2202c7ae851ff5cb4b2. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/BKCMX2300035.
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 0x181bf0dae3801ec242be4076320f64bd07809c6823c31ca9c0fc0ebc8b57a026. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/QZTVM2366130.