1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x3ac504f6e7d6a5998069736ca66de6adf66487b68cc851566e04d6b8a370b55f. 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/f882b6e4-4400-4563-9405-5eecab2013b0.json and https://artists.proofprofile.net/proofs/artist/f882b6e4-4400-4563-9405-5eecab2013b0.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 → block OTSBitcoinBlock must exist at that height 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 0x6c1f6424b74b015d7882e8a7cbe244d231599c166a5f8931fe5e850ddde19782. 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/TR4020700623.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe854db32c1075fe756a6ea932487850c0e558f016d9a419824c45984afe0a18b. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-15T23:25:50Z), 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/TR4020700628.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5bb7519a973135ecd137ce85f5caab13ed7eb38a769684a0201f8694617c628. Chain 2 (Bitcoin): anchored in block 957603 (2026-07-11T20:26:17Z), 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/TR4020700637.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59347895164caacc84e56b9fea913d77e255873f9780fdc2d4ce4582a2b664e4. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/TR4020700639.
Bu Akşam Bütün Meyhanelerini Dolaştım İstanbul'un
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c272d2fb910656a6311e1fb5c22cfea7743ee5f64dcffe159a91651454d86b8. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/TR4020700648.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14003e440361397939d8084cfbbd7a65910dbe3eabf30ff427164d00732cee1a. 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/TR4020700653.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc266377fd2170682764009e405aa3a739459ab5ed19d1b93ac5dea7b810fde6c. Chain 2 (Bitcoin): anchored in block 958346 (2026-07-17T03:59:37Z), 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/TR4020700654.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x657759ed5ee474f3a3f41cbaa5e876bab761e89094ac607ec67eeb7a2d3c65a3. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/TR4020700657.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd31093ab9664b951e4af3c0ea6c254710b3beee9e9a7aff578f6d9563f1a692b. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/TR4020700660.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f4afb8ad3f0d4958cdb49f676f1b3008b48e78170113c6c05e358cda6c69098. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/TR4020700651.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53d1b4163dfece9fe2ef6862c715d0b4114a2762a26df8ffa1827681b6b0aaa0. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/TR0220500349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec3130025c45148341605035f5ffb980abe527b162fcb7db5dbce5eb6fea5de6. 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/TR4020902266.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x761816eae5e7947bfb3383515a591ae01bad4e304e93a6287885c7430f9e5b00. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/TR4020902272.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x447ead0dc80254707911fb0f99e29bb4d0faf31b4f6f1748bccb8d3d58703125. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/TR4021202756.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f6e359bf58ea5c7d2064fe82f3699edff273ff0e29248b12989a151f1d09f29. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/TR4021202759.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01febad21e9db62a80cde3f36a9b622cd1e300266937d92d00a7ae5fba540c2a. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/TR4021202761.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd26e5642538028ac43fdbce9fd6858e87ed533b4c2f843815184204c031b5da. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/TR4021202762.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97260723b1d4a3b7c7b7b8b0c8d7dc56f2b9f15f5491a9bbd6bb97ac4c510b0f. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T16:31:40Z), 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/TR4021202764.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91c6b68a1ccdecebd6973515686c1d31e37ae4eea34c0cc58cb209b79f03a3bf. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/TR4021202765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66ce72bf084b8a43e319ec6ef9200de4dc99b64615d29d6dc0ac7da84c6ac301. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T08:24:36Z), 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/TR4781400362.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0dd4994631bb9ce826bb268ed1e55ff95d669f04d08449f8ba5570d96b107f0. 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/TR4781400367.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3479ba898f97c802d3096ff7e48ed9a87625df6fd9434edc793dc144d81c09a2. Chain 2 (Bitcoin): anchored in block 958067 (2026-07-14T21:26:15Z), 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/TR4781400314.