Hayko Cepkin (born 11 March 1978) is a Turkish musician of Armenian descent. Beginnings Hayko Cepkin has shared the stage with the likes of Kurban, Öztürk, Birol Namoğlu, Ogün Sanlısoy, Aylin Aslım,
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 0x1d4f8884e817cde32d92dc558bdeee98062ec290b99abb742fcd2c4cd3c2b290. 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/3c5cddfb-fd89-4429-81d0-5ce34efbeefc.json and https://artists.proofprofile.net/proofs/artist/3c5cddfb-fd89-4429-81d0-5ce34efbeefc.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 0x21320f7a8667e2a63f1f254f12120b873b0420dfd081dbe0a924ad454315815c. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/TRZZZ1300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fa37084b1ba87f45d84f1d8517af7ab2ad951e6f7dde4c65f1fee0a355cf39b. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/TRAAA1200013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c09130a3b30a74519cc795b076dee918aa724c45b620aa0c9555a6afcef2a13. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/TRUV71400014.
Nikah Masası (Düğüm Salonu Orijinal Film Müziği)
Nikah Masası (Düğüm Salonu Orjinal Film Müziği)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x438dd0e8dbd5b8c49126d5abf650677d9bad1efa401302c88d20b8459275aaf6. 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/QMFMF2306503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74cc067f68e472fca78abc7066c01ef974967c989965aed6050c7b96e13a0071. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/TRAAA1200012.
Başka Bir Dünya Mümkün: Türkçe Alternatif
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d5e41399cfbb4711992d5987f64a3ffd59598afb3dba11208777923328c3d4d. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/TRAAA0502335.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89e39724bb36f351703c4caeea2c4d35684e89a6c0ae284476e8d44a01fdd242. 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/TR0081400135.
Onurlu Yıllar (25. Yıl Onur Akın Şarkıları)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2445e8c34e87ccb109c016dbb5be98723a301754f574479005e8f17fec4f689c. 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/TR0221303486.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf25a05c155eadff80200a6b493b08a09c1a3d0831ccb5bc13e8197e2e38e8b7c. 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/FR6V81749179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ef245c68eb365f1f5e984f867737ecb678e10479776043c7c202cf0208006ed. 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/TR7801400326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe24707734beebab42dab028e69a8cd00e4afc7e23bf18eaa10e7267afc5ec985. 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/TR0530801970.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x051c1f3a8864a3a3fa3a815c0a0a4ae5caa1c21812954fbef9ca91cbbf449e27. 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/TR4590800558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7886769832f428587c44627f7628d893ab7a422d0908993918cdc9b64495a94. 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/TR0361700241.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe639f2482ebed8a1e23036c5a80af282da5172ad3211226d0b51ab3dc2217b39. 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/TR0441107702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6edaa83c1f25f2876c6b7a4fcf3144794eb988471321063a2f31c67fe9b63e89. 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/TR0441107706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf47da22e86bca7321229d0b42512f493993750ce946851df537e0ed19158d6f7. 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/TRBDY2237209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x495e221a9acbc9dbf08744f7ed31dd9f6cba2988266c866290af809c384d7b17. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/TRAAA1200006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1fc43a942639d9d4d68d3e5c744914557704e142edb7e6e3f656c6aca988508. 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/FR6V82185589.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9e9b8162447d4ba08ed78b3b877b302bb3b97d93c05e7fde5c0b885bab7e815. 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/TRA161100027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x753f5b2854a95a59fe609623bb6505c0ce1eae95836586fc102cd7dc0f3a5ddc. 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/TRADO2010070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fd80636cbc6ef5f39094b921f2e877cd65fd0ce4138e2b6da4dc02622a14334. 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/TRA161800360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5db2dddd2c115fcc5d0a188510e6af6766e337ec850998db1d24f337dbecdf8. 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/TRA160900277.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21a7c55a95c80721033714883353c659e50f4d37c181329971542f5051171c6e. 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/TR0011100017.