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 0xdc88cc1a3a3cad75fef1617a901071e892602d40c6d1d3d56965550066d4c375. 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/27183e78-6ac7-4908-adfe-d358b5db86ee.json and https://artists.proofprofile.net/proofs/artist/27183e78-6ac7-4908-adfe-d358b5db86ee.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 0x1c0c85bd9b5e82d606308c0c59d8f718aaa2b9560f6c3d6a2a2a624057a9a67c. Chain 2 (Bitcoin): anchored in block 958700 (2026-07-19T08:09:50Z), 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/TRBPU2200086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25e86177084b63970ee53b370a1a749e4215ae2381ee6d0f833dff019919b96d. 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/FR96X2257090.
Canımın İçindesin / Oda Yanıyo Buda Yanıyo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08b423b3d04d2f0ac49dfe2047f58ab1c3aca73da2680a76bf6f31b1eff812e2. Chain 2 (Bitcoin): anchored in block 958774 (2026-07-19T20:03:27Z), 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/FRX202271135.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a8a7cc53d8db3d72e966bf11d30fc282e003799b06cceadad0b506b2a1331c4. 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/FRX282200416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccb93da3f28e5bfd3f664d7a652b69930e6c9c4152f0e404d6c6df8db7cab016. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/FRX872245249.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcea5c9e48ae42ceb958bc431217e1625c8dbe1e62a0c4186cc12bd767893febe. 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/DGA082212151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x582adc9bcc1da8e4a723b31d299ff4876a31ce9ff63bcdf43eb9b34db7e4d2d9. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/DGA082228511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79a90c585fbcdbc93dc620a43e0d2d6d20e90b96e7225187c4d2ad099ea29935. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/TRBPU2201963.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e2a9187d4a3726edb62627a98c23acefd0089a5277f27839f09c33a1c5f3549. 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/FRX282494983.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x759932f9e77c85ce6102924941d6312831a416b151a835f346fbf28a7fa0b176. 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/USA2P2445086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2deffac875158c801e46b5e8403d373e8238688edc08fb922b7b69a11dc946a. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T14:38:07Z), 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/TRBPU2500585.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c4241003a59a4ecebacc5d835028c403c9ff2847f608b9d92bf94c0ddbaed5f. Chain 2 (Bitcoin): anchored in block 958662 (2026-07-19T04:43:15Z), 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/DGA062517364.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33a844c14d5e7afbc0c9e1b3ad4af2f71c43fae7552b5fcd937aa7e7a96007cd. Chain 2 (Bitcoin): anchored in block 959145 (2026-07-22T15:39:05Z), 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/DGA062522437.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3915a5045b87a71d4b04147e7f9109dafbb2a43e7b5531f60b811390a6c94e9f. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/TRBPU2400001.