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 0x58978fc8639eee0f5f9951fe32db63797dc2b4195b2cae6589f65dad629cef6f. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/421b2cef-0dc6-4922-b5bc-b76bbf3162b9.json and https://artists.proofprofile.net/proofs/artist/421b2cef-0dc6-4922-b5bc-b76bbf3162b9.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 0x03c9995fd541887e8a89b5434f85d38682892fe0249a07d7ef36782c870ccb36. Chain 2 (Bitcoin): anchored in block 957898 (2026-07-13T19:28:48Z), 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/TR0150500110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x513c92083649a9bd487bb669e8e97dfe3e568826e1e123dff92db239256e12a9. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T14:05:14Z), 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/TR0150500109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5152a968959439c8e11750efc86aeb77f2248510ba2a5d71baf65750840b21b7. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/TR0150500114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x249172f2f87c83cbff86e089473a9358cef31e72603eac942b950bccee36434b. 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/TR0150500117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x552ec909d70b9e76befc67f0525fa02bd72b32636c107fe7856299e374e20022. Chain 2 (Bitcoin): anchored in block 958541 (2026-07-18T11:37:54Z), 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/TR0150500108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1efd69370082bee19abc963e9ac15c3cda6b63cea763bd58ffc00b1a29b9903. 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/TR0150500112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cc09fd76767ab493fde752a3d338e2c2efe7a759a4d275d7de0fc2ba81ec137. Chain 2 (Bitcoin): anchored in block 958058 (2026-07-14T20:20:34Z), 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/TR0150500111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x874e258d6c41ccc5ce74776d4d1b9a7f371f3c3b24f7373a5fc8679b26a7519a. 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/TR0150500116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ea944951f4413d6e50e2f4568d1152bfb3df428b86d8d8549efe60b2b5cafdf. 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/TR0151200377.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57690c81be879dc3763b28d72557221de6f34caacc2e219d6a39c34064df934e. Chain 2 (Bitcoin): anchored in block 957851 (2026-07-13T11:26:33Z), 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/TR0150500212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f65855bbbd0c507ae1fb75057dc0ad1bdc2c4c6f8e26852591c0e52582813ee. Chain 2 (Bitcoin): anchored in block 958204 (2026-07-16T00:30:08Z), 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/TR0150500205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d9ea4e2d0ea1170ccc586c5547fc51dd2f8c36123bea6d7c0aa43d7c0088866. Chain 2 (Bitcoin): anchored in block 958202 (2026-07-16T00:03:29Z), 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/TR0150500210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fd1c33597f1113a2ae709c451f6624bbea097577e0b5677addf47060fa403a2. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/TR0150500202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e7391794d1516fedba5a3358d9eece955c65087c858de2be973d39296265564. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/TR0150500203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x131795b288efbce2e954e8ee6602e01bbdf9ae2220271b34c4d4be65b4c51089. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T07:07:05Z), 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/TR0150501076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0bf9bd86ced005b800dbb5855784c8ebb2c13747b900503679429988ca83488. Chain 2 (Bitcoin): anchored in block 958384 (2026-07-17T08:27:02Z), 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/TR0150501074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b376a81c417aeb2a30c06bb837b49653fd6c34d8c9b1f7806e52db9079a4de2. 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/TR0150501075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa98d9f16253eb86654dd8176b35656b1a3663f1d04fa4e0405550851528104e2. 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/TR0150501078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf02c06fba8b1f03c32adc28fc8630a75c4398c08bb343937b8cd64d33b7dabc. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/TR0150501082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x050dddb3e12c118c5f4fe92f1599cbbc7776855e72b955f51a8598c43ba572d5. 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/TR0150501080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x965335da1322e444dada476e58f5cd751aff8a5a9af4478dd48a07a0e194676b. 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/TR0150540177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec4aae35e1ac783604d759bba8c95d021ebe1b6c3744f8071b949ae27cb1e502. Chain 2 (Bitcoin): anchored in block 957919 (2026-07-13T23:58:45Z), 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/TR0150540183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e688b5dcb8dfd47f9f41bd511b3dc175bd4286b1e3579b06dbb368cd45e940d. 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/TR0150540187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98076d8735e6e56a6b702e07de53a6d0586ffbc5ef87121ee3fdf1ae2f6e2f7b. Chain 2 (Bitcoin): anchored in block 958054 (2026-07-14T19:33:24Z), 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/TR0150540181.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73ff9e5cea570aa9e9bbc9c6b86c560ebe0f66af2256dbbe481b86511b257b37. Chain 2 (Bitcoin): anchored in block 957556 (2026-07-11T11:14:07Z), 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/TR0150540179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b2cab70036227a4966ccd0e0b6f07b7257112c4d137ca671218f0da158e06ee. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T00:21:41Z), 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/TR0150540178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04c890f0587886eee5789779f7eaa53e812110aaf4e537b2b5ca73efea7d63cc. Chain 2 (Bitcoin): anchored in block 958111 (2026-07-15T09:55:35Z), 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/TR0150800179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3663d5cb0a94b58a0ed162a3adb3486c3de1baa7f44af32ac0b95a12af17f7e4. 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/TR0150800175.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x145336d7d8d80305b7aa7f3cbb2c370a0f0e490a62404ec81200a6688df69199. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/TR0150800181.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9be1c22353840608fc24fb9efb560af50012242f015edd45499580c515ff39c. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:21:18Z), 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/TR0150800184.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f218e37b589e59bae4d3d5adb3b20c6b5ee0a1305318dd334fa05bfa4552c75. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-17T00:29:38Z), 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/TR0150800183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f0288d6b28c42ae7b9ab727150495795d7c66ed0012e3b80bb56d3c41ffcae2. Chain 2 (Bitcoin): anchored in block 957898 (2026-07-13T19:28:48Z), 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/TR0150800185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc29e386c91a0db7586578e8fde2198e272b98a6371cc5e2724666f418055ebf6. Chain 2 (Bitcoin): anchored in block 958087 (2026-07-15T02:56:49Z), 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/TR0151100111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x153bf49b8d41b9e0d3c920045e63eb4fe58548228bfe01eecc76ee17a321cf71. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:33:09Z), 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/TR0151100113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x953b466c801f41d60dc9fcba2fe4c28af986181bf788ff79ff80f75e9b17ace4. 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/TR0151100110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf65769d735d7b023edc50bfa71d90f0083e2d286c0af2e74cfd5109dd53250da. 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/TR0151100104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x109edb0bd1096e38b65daf3ed3bd2d12dcbd6f1c0d057a9c059c7c4af3630d83. 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/TR0151100105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97792862be0aed56ddc34de3949d56532b5b2c2c6b9f629a7126eea325c5f0b9. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T14:21:25Z), 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/TR0151100116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac60e69b7650ace8ab2c372d7d26a47168d708a491f80c999eeab4d20aab4c71. 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/TR0151100117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc29e386c91a0db7586578e8fde2198e272b98a6371cc5e2724666f418055ebf6. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/TR0151100111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf65769d735d7b023edc50bfa71d90f0083e2d286c0af2e74cfd5109dd53250da. 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/TR0151100104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x109edb0bd1096e38b65daf3ed3bd2d12dcbd6f1c0d057a9c059c7c4af3630d83. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/TR0151100105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97792862be0aed56ddc34de3949d56532b5b2c2c6b9f629a7126eea325c5f0b9. Chain 2 (Bitcoin): anchored in block 958432 (2026-07-17T15:43:17Z), 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/TR0151100116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac60e69b7650ace8ab2c372d7d26a47168d708a491f80c999eeab4d20aab4c71. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/TR0151100117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacd195108bd1319dd4fa9e9e6207fcf19f20aee08d6a78130f78965a5eaaf007. 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/TR0150501109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f291d79359fb06b0245f466ba24648f08a48076583449655f321ba2027478dc. 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/TR0150501110.
Aydın Öztürk Bestelerini Söylediler, Vol. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4670c7777a244fdd95af2fc541ace231ebf2cf8f56d22751670b6de8db859ca4. Chain 2 (Bitcoin): anchored in block 960509 (2026-08-01T04:30:37Z), 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/TR0150900159.
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