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 0x195bf937c51e03d6ec193c84448cbfac77e1cee3db462a7592e6c698dd1eb136. Chain 2 (Bitcoin): anchored in block 953660 (2026-06-14T17:20:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/519a0ac9-95f5-4aae-8f5b-b327f95d049e.json and https://artists.proofprofile.net/proofs/artist/519a0ac9-95f5-4aae-8f5b-b327f95d049e.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 0xbb7d05c338f990371a5483c79ef39f1d6d4f104de667eea46dabc67604ce2044. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/USHM22062970.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13e11e1c9efe77751947b45288df7eeb957c17d104942c2dc6d20e3e7477f9eb. 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/USHM22062971.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2caf22546035ead16ff50d40e17589e123d280122620aed44b0211d847cbddbc. 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/USHM22062972.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a5fc68614484f31e2cf07de5b99a6e733c4fc0de6ae971373197a98a37053e2. 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/USHM22062973.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a641710ef76dc2e960cd3395f0e366043daa7dfdfcef58e5afbabd9c452fe48. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/USHM22062974.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a280c62eb5829a450a4abf146f6280576d5e66ae46b72a86602a509128ef2b5. 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/USHM22062975.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x882eaea3044bcd35412b2e80f6f6bfa16e74572aefeae44fd12a9d01d1448650. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/USHM22062976.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcda4aa5a2fc89307508b6e44c80dd3467634eb8a8ab9ba9653bcc64ea20b8590. 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/USHM22062977.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c9e1fd7a179bf2f573f55ff446a4befddc7e0ebc8a8cc3207e7710066112e2c. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USHM22062978.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49dc2982fb55f8ee9f8a29b581f6848604315586c1357cbdf81eb57a028c5c03. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USHM22062979.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36bbb80b45c381754f70195c9f032fd836b33be7debee411ae01a722fa74ca3d. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/USHM22062980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6ae2060f56ac131f0ff4f70258214de0d8596764d617185c2f4517bc1fe67e8. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/USHM22062981.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb761c994f04b05c6cdcb78caa2ea7438119fa527b527bc5f283254e3e44c7725. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/USHM22062983.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6d475854d87eb66658a5e064dd7ed961a7c140727e21060832743ac15c6ceb7. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USHM22062984.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43d293a0c8a8d791463cbed31b558d5b050f3a6fdfb0a8770e8a39a47d851155. 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/USHM22062985.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71ff9b13182f923dd93c11f5e08b0d5b1b7adf013668d92a27139b7fd1dedefd. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USHM22062986.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41cab75a27b5afcbcdfaa52364e473eb7a43baa888467f89baf4d9b534a58e1b. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZES82283555.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x859e6c366f798cd8429d31f98c4e13b654ac01d3d7f797a63f62cb9f80dabcdd. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZES82283557.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38c5b0d00f22bee0c1cf472e40a41f6c390d3f73b8c97fbdbca9c62552170c4b. 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/GBSMU7970958.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee23724cbc5a3d884004fe83f1d7cf2718e854842b91b6857bebd828a53f700a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZMEP2431235.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc15d715752ad2d605b00d6aa79af64939df450116006506f9144d19a8f406827. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZMEP2431236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcad584de037f8a92f831a7a8aa40d64a78cf880bf6ae3757dfc24a6d1d61cdfb. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZMEP2431238.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5740d1c2f401303b4353e03055ace90808936af02028e72b71bd8e34e3891bb. 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/QZMEP2431239.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9aa04be0c499673f776b72fbf560de8ac7138f93538d0581e413f7d90d217e5b. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZMEP2431240.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97be4d7fe4242271e671e666446a10b4651fee6ec9087bca2a60e66f76feb682. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZMEP2431241.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9c662ce681910bf9f1bc5fadd889f7ac7b4af58c5be9f15c1b305d2e8804b3d. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZMEP2431242.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x586c6b1a553599b2e298dfe2cffa037d9875b92ddbb150d4e27f053c6fdb9da5. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QZMEP2431243.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72f36a0175d19c0a46d0c4b54d61a5b75132ddac245d3704c20f2461bcdd4689. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZMEP2431244.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1438d9c6714f7b711eccbd4dea1e456288f1384596399f8c9f277b543eb45969. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZMEP2431245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28613809f435ce4e6a71ba7eb8481081793ff2ef189b484c5bd1bc95d6f5dcce. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/QZMEP2431237.
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 0x1ac732b2478d098d688a922e5b1e35cb366ab16cc09c7a397948b81e66817ccc. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZTB92276960.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c91707fa777feffa222daa25252a41e3cd94603018ddeef54733b8965534493. 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/QZTB92276961.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b20a7f6d8ce62ddbda1edb5e20d0e76e08d15a3ceb79013cdf2ebd19dbe7831. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZTB92276962.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54856540f73c136423d6034d6e74814eb0a2fb1bdaf40f8793e77304be72412f. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZTB92276967.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01726a064d41e545a4046ac25534b831b66a95d41cf2163753921acb206dd1b5. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZTB92276968.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36af3761d2fc54a4a24eddf750aa95997aa6af48a5e9f1e81759fa1d3e5bce5b. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZTB92276969.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a9ad00216aebd74d2d6a0809ff8c910cd56d0a285852ce2e566724b00e1daae. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZTB92276970.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98a4e5af84d823f76209b84189fdf9036ae8425597a8c3575b4587d4e3496638. 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/QZTB92276972.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x910244900b41e00bfc867fb3c3101fc4bd6a0d0ab495b7c4f7c9764f4839c557. Chain 2 (Bitcoin): anchored in block 960155 (2026-07-29T22:13:32Z), 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/QZTB92276964.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cd1d060abab26a292704d31b879342175288b602233cf51dab01e1a142b33f2. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZNWU2388174.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x896c8f81f476d2bbae069e0b518022138247f47671a361f3c0e3932f0dcb1921. Chain 2 (Bitcoin): anchored in block 957032 (2026-07-07T11:43:09Z), 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/QZNWU2388176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c6023fe00a04440ab05ce7e7d29ac453845d7f18e9d4003dbca8e453a7c3bc4. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZFZ62277713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd83dd0f87fe38ddac2b38a6822e8526fe2747353b0e8e7d52763acf3891f3f71. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZNWU2388179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef0032d92073006759e38c4553493fe9ff73849db060d96185d613a7d7f518e8. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZNWU2388181.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29ea91f2ebc5acadee74b367b4533da63cbbf17acfa7baa26f239a7beb948e3b. 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/QZNWU2388180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e91d122c831b3fce028acc25289e2cab0e3de530235efd0806872f9f0558c69. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/QZNWU2388182.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9938625c5936244623bab518ec5f47f788c9d95e4f3e6193e81259a7beef558. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/QZNWU2388188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b9c30a3ac11ce354f53521e462ac51df5f191bb525ca68b5591ff5902dff97d. 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/QZDA62302852.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4002f909d3a9adfdf2c648c5242ba2d0ede5aa7afc67c38c696c41d74a3c8efb. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZDA62302855.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11a0072fa8cd9709ed7f3bbf9206354de431797e1c81d0adfa94516454464ff8. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/QZDA62302849.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc352559633f62132deda3eee98f5b590fc73a6f4fe2b14cf212aea01b6ad7412. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), 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/QZDA62302859.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcd8454161095991bba9bdccf174d6e383c5cf623581676a81cedd41fa989bc2. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZHN92297356.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbba3c3a7b98a9330dadcf5327579f22a56027f45aec9298c820bd7f8ad3b7fad. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/QZHN92297350.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bca48c260eadbbb80e995207539459bd044b3d08c5b6d32e8103a0fa45a349c. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/QZHN92297355.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecc521695cb3a324e7eb57438a48f3bcb4593a4933b190bc05b92a64a80c1bea. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZNWQ2234326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e8bb855b90eb8f594a15c775156546dac1fbefc2070a02e9dcec1376e5afdc2. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZNWQ2234329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09de6a631841e2f34ba089dff5fe4c8d0e6d3164dff59c2f02f81a07d098d796. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZNWQ2234331.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c34e6ce935cb350f5b87ee10e5ecf3e094637344fbfa356590d2162b007cc83. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZNWQ2234333.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0b979eefcd7a79a5ceff6c2d82b8f2109d25c4880dc2e4580747235ac751a22. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/QZNWQ2234332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x081945190a607663d918cd154ec55c3ddcdbba80224d025ae0906de5a43c57f8. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZDA42184176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x308ebb2e2f0fcf7695ac798d959ddb6359e2927ce80a6290c914102ccbd51900. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZDA42184179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a8c0cbb5ac9abce10eb41f2608e0a1f7408499836119ed075e86eb29bdd663e. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/QZK6F2098618.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40910f5aa79b903439796239754d12b3237ea5876b17e9deeb857b96823bfa7c. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/QZDA42184181.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79783d0c876e7566abe76abd31111ce24aff6158b2579077e0881355db18d92d. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZFZ22396702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x924450763dc41407451043a947ee12e9c6c63c3d36eb68ab553995b165419c91. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZES72274013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec61d5b35eda6439c10b55a2bd699c47dfebaefdb87f2852ba03313bbc5d3e86. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZES72274014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51cddccb7ffa1fe76431b4acf7407fa3330dda3728b0b2169c36cf0f328f6f54. Chain 2 (Bitcoin): anchored in block 960513 (2026-08-01T04:52:22Z), 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/QZES72274015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd69157c0c59517bd4a01efd5afd6a5b7a0019ecaf84f1f69da85d4aa9cf14550. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/QZES72274017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91decbfc8171894b9c813e6af87f37f7ad565c13caaae74dd55ba8d20f011a27. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZNWR2108323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23d02c89836c4eba4dd25729be496dabe2ab494e096aad0efdf519bcff2e0933. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/QZNWR2108321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07779b92feaf69d8733196538ef6f3830b17de03229ef8f21915d2bf63aa958b. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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/QZNWR2108327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ed86df559abcc506ba3db8e2823e21b453509e19a0937cb04ccbef621ab5dd9. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZHN61956477.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7520eb52bce0001c032a17f558be1e2b75b7973e4050ae047117b3aedca78c54. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZHN61956482.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x993ce399d4c7b2606d829aa098367dacd4910124352cd2756ddec35a76bdb736. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/QZHN61956481.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c9916038b0a59853122f5a11eff3606b2a5628e3798e8f4bafe6e9ec32ec63a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZTAX2367099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21e9a9a23f609ca6c407400dfb6b0e34da0285d0d01a3e7084157299e4270604. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/US7VG2117565.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x620b62dfca4641b523aed4ee3d356ba92d7b72cacc35a2bf14a71ee9e0c5641e. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZTAU2182605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84990472fdc365c6a79445ff1e8fe78ebdcc2bc6bc3c82c5eb1f8c3f6811e879. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZTAU2182606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccc103cb8a9cb40e6789b75c93f02ad0ca584b34fb63e07c1ac35fe42cd2b281. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZTAU2182608.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad8ab79b66dc142a2055321b558ec6baafab40ed69191c1165d4d902f7e77f85. 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/QZTAU2182609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e545be4768d01b71d079289d22e48d11c82cb8935a4b1821f7011ecb8df734b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZTAU2182611.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x452e139d2e554db7c0e376a52bf3a42385916b4406db482215bcbbf3d692b8a3. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/QZTAU2182610.