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 0x5b19ee3e2c1b1a140f9a3d2050512cc5cddf383fe2f461f29a9cda971aa4b0e6. 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/1b9c1461-85ec-4466-8c8a-5cd966e04758.json and https://artists.proofprofile.net/proofs/artist/1b9c1461-85ec-4466-8c8a-5cd966e04758.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 0xe5d597519501d1b81916f34c67070fc37fef8b03329fca58fe438859088127d0. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/BK4DA2305305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cf8689d242ae227e6a4192151876930bdc17184b8a74b447864f7baf6d5e12b. 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/BK4DA2305308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x301e25358849df96af0f8e79bcf5897b29c5609ff01a174de99e8773fdd9fc82. 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/ZZOPM2230814.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab90f65d9f419f079854388db692ff27d92ea379d1ee3a3a580396d6e5bdfe13. 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/ZZOPM2239696.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef9522d36a7d29828c248b86c242a4a8d5ec687bf4525aa9ca94004ab7649da9. 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/BK4DA2301916.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd16747d76cf333611f0b05a05150c43f2274a858f1d522c19e077df2edf9c977. 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/BK4DA2209482.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbfc9d02cf6b32d7e88f7d81fd362d0ef6386dd03dcc113f2ffc692342d49108. 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/ZZOPM2239718.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24428a7b92e92e5a01e709d65f6e5d0019edcfd897acebe25e8f3271d61f23a0. 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/BK4DA2305426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3fae9ad2987999f2745a6602ea368678b8fd2a2717e5c2399fd408c1be006d9. 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/BK4DA2305678.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x162361427013f6395c1358ea9d19af97d7e21382ea61f128aabe342904c612c9. 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/BK4DA2305309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5981567cbae43c1d1de085623e129f36a5191c7017015535840478f29f3d7069. 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/BK4DA2305311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b38a61c4f2748f342f956da4c27f179d799ddf5c301433ef8586c6a40699797. 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/BK4DA2304904.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5da06c15a0f6be2f9d11c18e8d0a0e446c21f15dfd4b95d953e8d4c12a02c74. 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/ZZOPM2226378.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1cc9bd26f7f1659a74db9be9a4df61d67778200861a4bc905a566c7220456d8. 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/BK4DA2305312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x566a4d915935b3b07f7fd3feb16186fa4d50a0adca0cf5c91e154a6a28c326ad. 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/BK4DA2204576.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5abaf9ee13b10721ce614343e9c9e2e945e4ab9da90feb7b21f6c16a8673aa8. 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/ZZOPM2239895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3f1ec83a3e8bea2bbc33a19cc9da0fd23420816eda47575cfd5c2702af70a07. 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/BK4DA2305313.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6396d2c6d1379453a3e13521ec1bfcab944f50b458898ffcccb6bd96bbdf732. Chain 2 (Bitcoin): anchored in block 958042 (2026-07-14T18:24:07Z), 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/BK4DA2305315.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24428a7b92e92e5a01e709d65f6e5d0019edcfd897acebe25e8f3271d61f23a0. 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/BK4DA2305426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7505bd15adfa0727849f2f5ff6b9d3fd311f3b6533999cff19b4f0a9b34d5a71. 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/QZ2J21506103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x738ca708b4090c935d25bbc4ada600b2cedd0e4bef3f2e01e98ea6cceda33f18. 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/QZ2J21505903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x169adaaf81ac066b05de0bf27b98112531a4b20ebf29c73ff0bc5151724717a4. 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/QZ2J21504995.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d41689cfe3bb4064b4b8dedd8cd51f31795db506c8a65881c3f714e8f57d938. 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/TCAHC2303898.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce4e32d7e09fe24ca66759c44006ae9fe26be18da2663fd4b0699c6c52f214bf. 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/QZTV32270775.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ae108d83f5a49ab828769246aa1ea0579f23de2534a1e31afb73a5d7e0de82b. 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/QZ2J21505259.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a208bab21ab5dad23a0529a5b30c9a4c4f3f171c7bd43bf52327a2a4a8ad411. 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/QZ2J21513752.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bfd15de5b616d34b5935543d8441d373bb4d89f1e6a771e918d2eb2530e4b6a. 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/TCAFE2009362.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6281cdd2f5ed18ade05a158f59ade174bec48eba6bf7e0e97de6851da200cda5. 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/TCAEU2004269.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72365fe4943f99c612afc34af795b7aac7c84fbd5a6d5360f59a25fe3646cca4. 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/TCAED1962209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9714296f924896d11dbe91e9d96331ca7a4d54577a362e48645d9e3f6877a90. 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/QZFYZ2275981.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50951b935c66381dfe12e82915cbf998982c57416bc802b3d10051feb0f44123. 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/QZFYZ2275984.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11e73fcfb90b7e0d1508e03e90ce0717851d458afe34127e2724e98e116f9226. 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/QZDA52111310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec0c0ba600e64468437b10f410cc705a3a8c450ba5d6c2a95fc25d1cf153dec4. 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/QZNWS2194392.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f8a7546efc1e02ab494e2e201953ffad4998cf5fe2e624d510012a2f261ca6d. 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/QZWFK2303378.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14fc2a9075822c18151356fd435892e23a22fb55968556c5a40e49c5b33e615c. 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/QZHN32212978.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c768ee624654cda00f594edf06b912d18138950241f279f663d5a6f31df2079. 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/QZFZ72373485.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44fdbcc15611216d61710213abf04e3796be2bdda0e2194730a8b2019bd41104. 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/QZWFK2303379.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07b33099d707775e6f2fba24c8ca3e9508797b5699efa958904ffc25d3f06668. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/QZWFK2303380.
Al Diablo - Christian Ponce, Alexxander & Samuel Adorno Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9d9900c41ea80bdd7e8e09f5f473313b76798e4f456cb2746e408049fb52a43. 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/QZTAU2383405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9d9900c41ea80bdd7e8e09f5f473313b76798e4f456cb2746e408049fb52a43. 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/QZTAU2383405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dae5c09e46f9e29f50ddd6c89cba7e28aa81225532a02fb56e57a64e233dc67. 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/SE6XY2513719.