Barış Akarsu (June 29, 1979 – July 4, 2007) was a Turkish Anatolian rock singer and actor who rose to fame after winning the television series Akademi Türkiye (Academy Turkey) in July 2004. He release
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 0xbe6eea8eb2a1fa7e9ccd83c57d8d351b67d7bb818742a87d9e7be0fec8ef01dd. 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/3a47af63-a077-47e8-8db1-6da24af71a58.json and https://artists.proofprofile.net/proofs/artist/3a47af63-a077-47e8-8db1-6da24af71a58.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 0x5f6301470f99bfce26ffab01eeca341a105471264dcf84549256936fd3c5c43c. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), 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/TR0220500784.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf86a8e55025ebf8d86d0b6c293142664695450f0d3a02f0609b2b70f0594e57d. Chain 2 (Bitcoin): anchored in block 957833 (2026-07-13T09:36:32Z), 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/TR0220500780.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x037ea1072c3e2e13d580d84b38f74302268b399a8c0cd2bbf52d748e3fbd8c65. Chain 2 (Bitcoin): anchored in block 958600 (2026-07-18T19:24:05Z), 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/TR0220500783.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26e1f8505b4d084fbcde77d6b05a83ed0eed22e4055c2a2614b98d89f1c1de81. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/TR0220500777.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x192d7ced0b122a2e63559d2fa20e75d2ea335052a5020f3d04678027a0045a34. Chain 2 (Bitcoin): anchored in block 958724 (2026-07-19T11:19:01Z), 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/TR0220500781.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5cbe04dc2d5734de39c27fb68c81a421da994989863458b1dd7350681302b06. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/TR0220500785.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95588fca536774f4bf132864e3b81622f4c9de6b6dfbe30d6524b36d6c584a4b. Chain 2 (Bitcoin): anchored in block 958882 (2026-07-20T12:45:27Z), 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/TR0220500779.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02bb7690d1019698f828a469d81306b1b0fdf87ad4ca7fc7d0227355b8b38ea0. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/TR0220500778.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcf15f956106a63f6cfb179df27aca1278b04dbeb8f71efd2b99a647fae2c27c. Chain 2 (Bitcoin): anchored in block 958104 (2026-07-15T05:34:05Z), 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/TR0220601932.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2644438aa61698008776f05dc727962026704756055b5080fc7d424f5bc78511. 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/QZZ7W2524723.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa34a7f28cabdfd4f32aac46d5f5f4c8ed509c156c725350584a38a591d6566dd. Chain 2 (Bitcoin): anchored in block 957770 (2026-07-12T23:17:00Z), 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/TR0220601717.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63e8d2fe87f682a4c0a7af1b32961cb3632cc4f3007eff3db8a93994a92bf83f. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/TR0220601722.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3b2445a452a6353e468969a64e6b6c06dda5faa2eb56e53a3160171e170d609. Chain 2 (Bitcoin): anchored in block 958571 (2026-07-18T15:39:25Z), 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/TR0220601719.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x848c23b8e6d60018a7f8ccdb4be074e1d95c01cc6fab585116d765c749879076. 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/TR0220601724.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59608836ab9568b04f5d94552f3929395942bd28f53fcc1cb0859483a9e0c298. 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/TR0220601720.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bb31e19da0b412839dfd59ec3526aa0eacfe7cb77e57dcec771ae9b0c5ea842. Chain 2 (Bitcoin): anchored in block 956578 (2026-07-04T02:23:20Z), 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/TR0220601718.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94c56165f5ef9ac3d707f6e92dcff423ebedf8cc824774a21ffb09b138b364e0. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T09:06:50Z), 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/TR0220601725.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f5668ec36c63c1514a8b1a0c297548f7fb35962004b2e663e5a7b05224fef04. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/TR0220702461.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85b30d71e45a9e11f977fb6b01397dd26078468e2d4096a0e5434e93697b7e36. 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/TR0220702469.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaffa0a68b771db4ed8733a4b8fc5bfd8a902777b7c603cd6c66951c547346be. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/TR0220702460.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a659480cfabd0e87851360683457b5800bda7313ad867fbfd0dff3570285ca4. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T14:38:07Z), 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/QZZ7W2536343.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7d8283e5448b491f17d9150a981592970a76b221431459e4e43691ae16fdc90. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T16:51:58Z), 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/QZZ7W2536344.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4d73a5b7cc9924a0aab5649d573d602d7d12b3cb10d2b917e7b3deb11148c5b. Chain 2 (Bitcoin): anchored in block 957785 (2026-07-13T01:55:31Z), 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/QZZ7W2536345.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1089d6ba1826d4ccfb3ab2e92cc45cd69fdbffd96662216bd691ef38c4f779c0. 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/QZZ7W2536348.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd771f9ae3d143c1731116e238888077addc4b48600da1a799d1626f64a7932af. Chain 2 (Bitcoin): anchored in block 958115 (2026-07-15T07:27:09Z), 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/QZZ7W2536349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5790ef37a90a51a6bf933a7828564d916bf592658f3ad6277e75bb66a3ff4d44. Chain 2 (Bitcoin): anchored in block 958111 (2026-07-15T06:58:20Z), 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/QZZ7W2536350.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe54862d69f22bb0705262b8895f072038c6b3e223e759be1cbb9e8c3c721b22c. Chain 2 (Bitcoin): anchored in block 958202 (2026-07-15T23:42:41Z), 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/QZZ7W2536352.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce9dd27e96eef83dd0c482e37ed09d74e7cfea67bdee926bbc528aa859da5eb5. Chain 2 (Bitcoin): anchored in block 958251 (2026-07-16T06:29:25Z), 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/QZZ7W2536353.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1221f65b8e33b797ff70bac4e1b9a60f597cdec92778250389afb4a2583cb7d. 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/TR0220702398.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6c79ff038e849bb7b396c16262489d93473dab2a977fef5465b8ecd7a0f2b25. 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/TR0220500865.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1221f65b8e33b797ff70bac4e1b9a60f597cdec92778250389afb4a2583cb7d. 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/TR0220702398.