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 0x8636f50c3f5929f870d7c931b3b1b755af801ac9ee144f6d30fe6a76e2e2eadf. 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/a60e427c-401f-444e-a013-9cf189811f5f.json and https://artists.proofprofile.net/proofs/artist/a60e427c-401f-444e-a013-9cf189811f5f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
O Jeito Que Ele Vai Te Comer - Eu Fiquei Apaixonada
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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 0x19d0b7badd3d117294055884d09c7deb26637213a2e77f5efe8f3995200a8668. Chain 2 (Bitcoin): anchored in block 958404 (2026-07-17T11:34:58Z), 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/SGB502574269.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c683cdaf0cbfa385625fc15f050fee3fc4994b3bdf8f1f8cf325f80fb9a77a4. 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/US7VG2529623.
Felicidade dos Maloka é Ver a Puta Sorrir
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf46cfd4635e7c423d405fb85df0e4a8ea86a75f2ca916a0f79589283e871afca. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:22:22Z), 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/US7VG2555064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b79c2f39d3370581d006e83aad63977de984fd9eb0296b4d179d91d2d2a6c5c. 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/US7VG2558375.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04ade1eaf94ef103a3d77be8f2538ef05d602d475711c21d1e5360139fd5d16c. 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/QZGLS2568644.
Pau Nessas Piranha Que Eu Deixei de Lado
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x108edf93fe46d15329678c41dbdb3379ae3dffe20b2c28741178388e5babddbf. 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/BKV6K2500016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10fd9d9e58559c5ff060523d25c7444c98f5452ee17437fc12b21d41f31ea6d9. 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/BKV6K2500038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73cb8a9898a376d8c25772ed30d48f7916f238436bdb4f528f0d9381abc67182. 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/BKV6K2500116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb02ea8d5cdf18666e464d358bcfffe54c6dad69736c13eb835afd56753e40e0. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/BKV6K2500127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x136798a272163a4225ce9b84be6e2b827bb3c23425b0fb84a0a75622e1a9ec97. 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/BKV6K2500201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda16028202fc6d006f4ceb4a9144cb1b702c3464ea851cfe0690e67ec67a42b5. 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/QZMZ92556736.