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 0x73c7882655f35eef214a30c9bf86e45b9c1a47bbd2bd0ef6ae4e2ad3ff8acb62. 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/10a2bec0-2370-443b-a627-afc4a6884adf.json and https://artists.proofprofile.net/proofs/artist/10a2bec0-2370-443b-a627-afc4a6884adf.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 0x110ff67246be9b51778d9016535ca0ed78877fe9df5f416d808a5396d6d36db6. 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/COUM71800065.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x720e9ce3b8735465ab7cd2f5dd3ba2a0a366e71569fea05d099d1ad584e7fafb. 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/COUM71800050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x710b6e5aea8d97227ea42e6b278bb33a8edc2f3ee4cfdac80d8ed9a7c0c45a01. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/COUM71800041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5838da76db0ff9850bf4d59492f196b1383711b81c8e0e75215ce15054bf7f89. 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/COUM71800056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d744234f9909397b067cb4cac9b1c97c9ff672e73f13b5e55523fc74ff4e82e. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/USJE61707466.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15a8ef0e899dd71492c667e6648e1d93cb25d6a1bc8de1965018222f4c2be865. Chain 2 (Bitcoin): anchored in block 957761 (2026-07-12T21:55:15Z), 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/USJE61707470.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa208c8a11bdbe661aff9b021e2b4cff6717ef355d116ba7a4f7052734f3a4242. Chain 2 (Bitcoin): anchored in block 957761 (2026-07-12T21:55:15Z), 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/USJE61707471.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aca0330eb1526948a7593a7b0ca04378e43bb05c6e209be8ec56e84d072a4e8. Chain 2 (Bitcoin): anchored in block 957761 (2026-07-12T21:55:15Z), 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/USJE61707472.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c37fa35b2df7ee6d524f2ed083d3167b308473061492aa879e29db23a669e84. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/USJE61707474.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43c90db6416a5bbdf2d2fb0cf20ef96c223ea150e13e6438d58cfa5ed577bf8c. 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/USJE61707476.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb3b1299e45a8b2e19662a3124b4b7be5dac43e7ddd0812a510f6eb08cceef3b. 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/USJE61712083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6efadfe204a0f1003317d06146068c614dbb5ac8bf0eb99239259b6b96a0e6c6. 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/USJE61712087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf84fcaa943c556a461f860b2703d92cb05c1f8b82cc121c1f2e3683faff8de99. 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/COUM71700118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6f4e74d413f8629ef1b1cc6afd794c257f102d640d70bfc2f81fb1509ce7f89. Chain 2 (Bitcoin): anchored in block 958963 (2026-07-21T04:02:02Z), 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/COUM71700134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x322d4b6134e831b0c1db605a55a19f4c09b1554fda2a1e6df4f2a41807c3179d. Chain 2 (Bitcoin): anchored in block 958667 (2026-07-19T05:04:54Z), 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/COUM71700142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ea9149156cd59d560ed902a3c62f6ec54bf9c3e8d27b6cc7c8430ebcd306f10. Chain 2 (Bitcoin): anchored in block 957671 (2026-07-12T07:35:31Z), 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/USR010615808.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09288c174d07b3a5c4f9efdd7cc329fa55fcca70c89ec3c5575f93ba3ac1be4a. 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/USR010615799.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e4e0754ddc3468c0deadb5d6236515a6624e98e2366a555c252cc17e787c4d0. 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/USR010615807.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaca3a6912e0d8c649ff81c564745aaffd85efaba9a61017d3b75353d6a7cb0e. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/USR010612951.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3302aacc129073e478bce1be53bcd75a8c79791aef66fd0f570c86a66a586e71. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T04:30:31Z), 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/USR010612954.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4076144ecb32cc78c0d7a3ae59e1d609e5e9f247b31cc7601fff6358bfdff0b. 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/USR010612956.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfff09fa884fdafd0e444edd2593effca71637ce57ed38298c711bafc62ab3197. Chain 2 (Bitcoin): anchored in block 958169 (2026-07-15T16:16:18Z), 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/USR010612958.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x289f6b6a9a05342e615d7b8436c678bd997f993d73785743396fc2dadbbd1f1c. 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/USR010612961.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4973f8f32e227582f6cdc3ed709edca2abc46e050543f7f5fde64b381320736e. Chain 2 (Bitcoin): anchored in block 959084 (2026-07-22T00:50:00Z), 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/USR010910740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4451edd2c722622d174cf24121b7938d9ed2bbe5c6eec6f6d810f64f963f5759. Chain 2 (Bitcoin): anchored in block 958770 (2026-07-19T19:26:13Z), 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/USR010910741.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4118545af2d11c61d732daba83ffd542689a67228ace2560aaa2c54c34c78699. Chain 2 (Bitcoin): anchored in block 958700 (2026-07-19T08:09:50Z), 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/USR010910743.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa10d34ed71db3571321806e8fcf13e4c56e9a7ec88e08f2391fe8beb1d1ccbd. 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/USR010910746.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc1485fe1dbac4cd4b9db324f924679b1479cc0555204ff888e9552239a8b1c9. 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/USR010910747.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3b57d4ebf2b4cf35fe6412347977b600655533655749832dde9f60499ab5f0a. Chain 2 (Bitcoin): anchored in block 958770 (2026-07-19T19:26:13Z), 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/USR010910749.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x594960ebef9caf9313112680857304ab8939069d39c0c40b6da00419dcb912c7. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T01:08:10Z), 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/USR010910752.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4e1db5c4e2ffeac20fc7d51dbbf0a0474f11e6e168a8138eae77ebe9915135b. 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/USR011100421.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x195e307b962ada70d30764663e1d5d8426db29f74d8145b6a88c236e00de4bc5. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/USR011100423.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53cbdf1164a6f95a6feb859e654e6f9c626725ce69f283e3820b10fb2e498e47. Chain 2 (Bitcoin): anchored in block 959052 (2026-07-21T19:50:27Z), 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/USR011100426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbdc09f07ce4375dfab54d6a44a45eefcaeb4457db761e74fd8d0bf4a7f940f9. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/USR011100428.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaef306c09380e168bf564f90f2c0a4a3fb43bb130b4ee42fbca6b4d22d9c8913. Chain 2 (Bitcoin): anchored in block 958476 (2026-07-18T01:26:56Z), 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/USR011100429.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60d8e0d1141465d0d2f9ca30c4acab176db0aaa4339c579609fb1662d32da1e8. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T13:14:32Z), 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/USR011100430.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8c8a707acbb00530730940ad15fa43358837257b00c57c987edd98c8b07aeb6. 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/USR011100431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1df20cf2e56f774988557ac1ef8e4362cc40cd500fe938821677966623cceff. 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/USR011100417.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e5a61f3238656d2f2aaa38425a86e8c39a4d13520ee8f19bf74fbb80340cc6a. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/QMDA71868801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9cd082f24c14d352490e4bf1d7fe308e4b5a303070efa04e0090e21e9361844. 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/QMDA71868806.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd1778409a1845d79c9baa4f52d6f047326c740fb02b9da960f7e941f9e2fe79. 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/QMDA71868807.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc061a5eb20e2e8563e606e08c8952d923d1e73057e166cc08af4625cdd85313a. 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/QMDA71868809.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71348477b4f8bea5a475ec4f2fa13760a6c0282c5498474ba2788e99574b0b73. Chain 2 (Bitcoin): anchored in block 959058 (2026-07-21T21:09:36Z), 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/QMDA71868810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb078ddb22e24b782a49f24601074bd928d028b44a8983c7ac46567e60f4dbdb4. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QMDA71868811.
Vieja Hacienda del Cedral (Remasterizada)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8202b6f0911f0dc3658ef4574919b3ac097cfbb37c07f04536afa16a7da58346. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/USL4R2035556.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfeba8b4dde607225efbdb966cb9bc4619deeb07268b8041c76b0c6c7f6bcfbf0. 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/USL4R2035558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1387175b2fb65513c5a2b71e114f132270b43cd80600e4c2333f12db81102e26. 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/USL4R2035566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x720e9ce3b8735465ab7cd2f5dd3ba2a0a366e71569fea05d099d1ad584e7fafb. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/COUM71800050.