Ahmet Kaya (28 October 1957 – 16 November 2000) was a Turkish–Kurdish folk singer. Kaya was persecuted by Turkish nationalist celebrities and authorities. Kaya left Turkey in an act of self-exile, and
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 0x11ec8d17f9f7ad8fc48d6f0b8ab70e65f6cad9932d5629dab0e427607560c906. 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/81c491ce-3c4b-4dd2-bef6-20224acf8a72.json and https://artists.proofprofile.net/proofs/artist/81c491ce-3c4b-4dd2-bef6-20224acf8a72.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 0x858c27bb799c66697df2abcb4a3d26bc6338d7b7611e52e3bfe931afcaeb4031. 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/TR0080900258.
Auf der anderen Seite - 10th Anniversary Edition (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64bc5f3b7ca87b91ca91ff07a1f65987805ce7f184635ddb8364b0429ac814ca. 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/DEAZ20500191.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36062ca1b5d24e6c9a9dd8a403dc75c2fa232de653a0b88f1e8fceef7dc1fdee. 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/TR0080600148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96ae8dd0b3cf29b3e43a0a72a24c1469247cdc76f34c91ed0255102edeacadaf. 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/TR0080600150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7380b4bd785de3263621a5c7375362746f4b74ef863a451b1a567d5fa516010a. 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/TR0080600155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa1cfe62122f9c2be8e345209d5842b956ecb473ff1ffb64fae2241ab9d9edaa. 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/TR0080600158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8d7fb73477e260440ea05a5ddd0f526811641ec1556ef7b129531f59ad0ad27. 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/TR0081300296.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90c7c5cd1583935bda6ca15f1196fe172085f281e99b12788a2e06432dc978aa. 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/TR0081300272.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6501b2f4da2c1160dbcc8e58494bcab2498ce1dcb07953ca2aaa8beb5c003c6. 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/TR0081300292.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cc8883dcae5a8db976458b18b0a8cca335ebd721c5050e1b49bedb97cb90bc8. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/TR0081300291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x023b49d5cc346e82e695f7e912f0cf4dfb76f69b42daf63b4ee80d0518c2fd02. 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/TR0081300293.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x120074144d5dee8873356732d3895ed6f2a74262db75b1d966a2166d70c36c98. 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/TR0081300298.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e0e9ee1c46caf4d0233c7426290992e2c12da38a2831952098b8534592738d7. 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/TR0081300280.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf30052cf98f77b1953b4d2d9bd1aef52ddf9eb5ec35f9df440ca09f9c865385. 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/TR0081300283.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf94eb77b7051408a2d8cbb8b9fed2501f8526247534997e07010ffc23ceeaee. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/TR0081300285.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99d54a8a7fbf8419b333cef09044edcd4de5dbb3661c86504ad31305e2a34a15. 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/TR0081300290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c914aee1bdd82beca02d01e9092dc1ea21bb00ce25a8740bc6f4798d65ca664. 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/TR0080900235.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x019ea3d4f059dad989220a74ee8326ebd09984feb67ab7e52c153908821016db. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/TR0080900244.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55df5a232a210b82f7f561b34b88f6b80ec3b9efc272571f067fa7147717f4d4. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/TR0080900236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84ac1f227a48cac3ea76410dc7c78070408e170fc0d8a7c76dd2c00ff59a02ab. 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/TR0080900238.