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 0x58020e44c5efe6f00ef46da6cf573db440715e51efb752eed6c98572e8426d7b. 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/56213027-5829-4a0a-a35c-f626ce20a910.json and https://artists.proofprofile.net/proofs/artist/56213027-5829-4a0a-a35c-f626ce20a910.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 0xc78c27fdcfc5f466f6037857ef6ee408e9c9f3bfbc003299351b3b0a25bd1be2. Chain 2 (Bitcoin): anchored in block 958329 (2026-07-16T21:48:38Z), 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/DGA062050033.
Hızır Hay - Beşinci Boyut Jenerik Müziği
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3806b193c7a5a336d81365131416e6248b3a60d52dd5618d842f6652192b8993. 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/DGA062050054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b70fd47b84d2eb1308a4eb458d94c1c02d458960a919000d571a4b86ac18a46. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), 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/DGA062050061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24fa7d2381217a8a8373cfec77fb88cf21c867c8a4500bd73239cfb5a03304ce. Chain 2 (Bitcoin): anchored in block 958058 (2026-07-14T20:20:34Z), 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/FR10S2174984.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c242f1ccde44d9aa9030fb1d678f0cf1bcb05bb4ed5e560f47deee669052d68. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-17T00:50:57Z), 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/FR59R2190102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x346ee5e77ec2318f5ae434ab36cb32e41e2cd119183fdbe4a46e9bb66bb5d9b5. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/DGA0H2421493.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e10e81c2c514dbcaa7c45d5f0bb6425f0f11ed21ae8fe734374bf9c08d591d8. 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/DGA052446457.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fff43e9e794a16c856009067f0a23413fcb015ab939ce93805f4164756fa945. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/DGA052446458.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56e51b7914cab14dbe393ad66cddc7faafdefc5b10f0d428a8009c4defddb134. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/DGA052446476.
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Hastane Önünde İncir Ağacı - Doğa İçin Çal 13
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67f4ffced9105d19001985c3f6bc65e1e0d540b0000db59e88248abe5b9d929b. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USDY42374663.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x124a9f967419f60ced9aba05a8699f97a01bab4dd0e58142f14644c121a8b2d4. 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/TR0331007745.