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 0x0688f19c26419d732ed2dc464672b006d96fd11338a8885d27f8d27fd07fcb42. 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/8edf99d0-6b5c-4857-b6df-4ae9a98ade1d.json and https://artists.proofprofile.net/proofs/artist/8edf99d0-6b5c-4857-b6df-4ae9a98ade1d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Kanun ve Ud İle En Sevilen Türk Sanat Müziği Şarkıları 2 (Enstrümental)
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 0xcea498e5fcd7d1371505c1f562f1aeae82af404f2d5f7334e358585dd965a377. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/TR0801702507.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d28d6af9567013e89710ca92abc9ba603e1dcd9c1aa06f13c080f0256a9c456. 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/TR0801702508.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46eb8a4fd510db16d57bd19b219ae73e4d07be143eefa612e09ff8b624c85242. 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/TR0801702509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe611efd0a97867a0c92dd82af668aee4b2a18ad3e215e75730c122f67c81c137. 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/TR0801702510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60b609a1d27cd647a774fa8a5ba03259ce4d07e1c26373ca73efcb2ad927d3de. 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/TR0801702511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcea5c289ede20897b2174834839969ce24c04664420fd5c1abb884ea8bcdcb85. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/TR0801702513.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc638737ecd32ee6e07f5d2e236fa744c8800011f5a54680072ccd571eedb7718. 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/TR0801702515.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b75763144c07c610baa6ddcbbcec1dfcea65087f5430c71373e4a957978c95e. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T10:36:55Z), 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/TR0801702512.
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 0xf4d96a9cc2a7a45fb3c492e6bba5ce3973529a77f5c86f10747df77350d33f2e. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T20:02:05Z), 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/TR0801702514.
Kanun ve Ud ile En Sevilen Türk Sanat Müziği Şarkıları (Instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb78cd460c0edd2b8090eda39195351642685a603474b932c1bac435df61c52d. 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/TR0801702467.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32a96526d574e5e0550abaf930c94623acc88cf191037ec4434386396b8ca988. 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/TR0801702468.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e0b71c69b37be211c9a806ac985465d54d6593b988aad06160954dc6d8bf0e9. 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/TR0801702469.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1bccb7a976b7e935b584fe7dca614efbb36d0b8e562865519b7b0c195063dc2. 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/TR0801702470.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dfa54645acb2e3d1d334984c307a147bbdc4566ccbe735a4e0c349a6fb8e41e. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/TR0801702472.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec51400322c96f94520375a8c974d51e9f55d83af5a1e9099e1e0fabb4492f1a. 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/TR0801702473.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb81f74f80043fea7cb9b581deccba309d985d967acc5c9a647baa6df5a4fe783. 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/TR0801702474.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ac4c85266168dc294941030fd25e110d2db89c5208a3047db6ba03df00e22a1. 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/TR0801702475.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cfe6c08a7db4c4ab87b3699bcb3f997e3ea25afd66f0364ba8955fe6b972ba1. 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/TR0801702476.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2e8185a4dc024dd7dd8a20d5d3f580935e1480cc987ca8a617be48a86e93209. 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/TR0801702471.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f6e9e7d481c4a1c18591d8f2b5b03e8a2c991d4779c7207abc41f158352c403. 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/TR0392300413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80d410b46a6f8a915caec6ae00f66d65f62be272daa04bbbf122d88f248714d6. 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/TR0392300415.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe773d8dc9ea48ff6106026001d631a3be0709e7a71c64514fba204e851b3a572. Chain 2 (Bitcoin): anchored in block 960268 (2026-07-30T14:53:07Z), 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/TR0392300416.