Kerem Cem Dürük, known professionally as Keremcem, is a Turkish pop singer and actor. He is best known for popular series Aşk Oyunu and O Hayat Benim. He also hosted the short-lived television show Ke
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 0x5ecbe2b07aa1e691080165950fccd969a28e61d4e49644d7aa7fc0e5afc2e91e. 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/e2baa8ab-4a13-4684-8aa5-7bb1f9c741aa.json and https://artists.proofprofile.net/proofs/artist/e2baa8ab-4a13-4684-8aa5-7bb1f9c741aa.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c0ebcd5be0dd8374b0677f70b81fc4ee203ef644b037f6529ba4da30070705c. Chain 2 (Bitcoin): anchored in block 958134 (2026-07-15T11:47:44Z), 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/TR0130600246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b2d9a3d5e5102b4bbc26582824cdf601aafa559ab994da81831dd2951919108. 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/TR0130600254.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7c97594757152dd0b55c20f609e7adc0055d56ce2a77afb18b86f450cd2b390. 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/TR0130600255.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd602611019873660a17d25792d8fb7412ee6a5e0dfde8241da9e6aaa9a64a773. 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/TR0130600256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cf6ae9263356edb596956ab0fc9320918f07a2f053860c8469298345e63ebe4. 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/TR0130600257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x933f374fb8d01c9c6db62da2102edf214d47eb4b9644686c9539e17af36041db. 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/TR0130600258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4107da99bf142655baaa7521537000c2e462641f1fd2101b3e450f31842d4ffe. 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/TR0130600261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64b9b2067fe815a6bfa01ae5a158fc75b2c6ee28d972e7939001f6921ab0cd79. 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/TR0130600263.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2cc8e4ab42dbf0f15396880264836331b41baedfe9ded55faf127ef5179b3b5. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/TR0130600264.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95dffcbeabb8cc613ad12f9d4cc4a03635234782f258da61a33f49762ef4bf0b. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/TR0130600265.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9ac2ddbccd7aeecbcfd63d9f59a386f2c668188a9e22991d18567a94b725bd8. 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/TR0130600306.
Var Misin? (Bet On It) [Turkish Version]
Içimdeki Müzik Sensin (You Are The Music In Me) [Turkish Version]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x902a6efe996d0617a165c78dbb8ea0329477d71056beb6e95788849d4ce8eb62. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/TR0130800391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa29eace02a18913dab6e6a2b671af3f2ccd1303a37181ac442e2201831fe9f27. 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/TR0130900420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30d347a7777cbc8d0deaccd8103b97d9318535e2517ca84be151de364add701d. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T18:10:55Z), 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/TR0441312208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d5af4d7597f066bdc506088e5d9d62230d9b0d70508b74021b9fc3f897edcab. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/TR0441312201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dd1c9b2125d1c8c8ef0731b710575723fb4873bc5c0b788a9a44a5704e8a3ab. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/DGA052452431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c5aa86fc3d165c1f055b31f4046fcc264978eddceac1cb064e974e480573128. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/DGA052452435.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2cc61785dfb1f29a280ca8345404880f33d1ada1c82b0d3de86ca36ef6a6d04. 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/FR6V81706771.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd492d476236da726598d3cf7979082869080c4445e74a68d05539745108aec65. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/TR2160600004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09db3210a993b114073d61445f6094e7b3b707837042bb6546c932b8b38f1ae2. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/FR6V81706783.
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