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 0x2e9fa548870ebbf53494b4c7f33a3aa0ff9d26291b0af4a34d698779630ce434. 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/1e3a941d-c936-41b4-9262-b1063f0dba5a.json and https://artists.proofprofile.net/proofs/artist/1e3a941d-c936-41b4-9262-b1063f0dba5a.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 0xef42a90b160e6792abd9f27e729269bfed5116497e236f87e07bde33475ed98d. 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/US83Z1802580.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2645586d79bf5b7a2c38644cd0dc239384973f73cdf3f2b74eac502d51fb05a8. 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/US83Z1802579.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3432d1004ac62e8c17a0befbd4d9c68aaf971b6a0ca25c0de72f0d413c19ff5d. 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/US83Z1802581.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb7f2dd192140be6e06be972d5e9dbd91168dbf773b9830c200e7602c5a15fc7. 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/US83Z1802582.
Room Full of Sand - Chris IDH Interpretation
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1cbe69a7102e443baec437ac565dcb52171bb378780683c15d82aab95831cbd. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/US83Z1802583.
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 0xc8b77b42072b1514fe12f944ba6964e553cd9a16e8785e96c0dcc7421bfbd9fb. 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/US83Z1822832.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6709b128a9ca84aa4dd62195f47bd7e25d8058daedf772aef07eb2f9c9df00e8. Chain 2 (Bitcoin): anchored in block 957055 (2026-07-07T15:12:44Z), 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/US83Z1822833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6b7d4ed1a972a2011d7e39dfcbcc9ce61b3f9ccaecd7a736640db360c7bc71a. 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/US83Z1822837.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ccf579962f38f73254c14f1c346e4f6aec6dd74595cd2eefe7870fc6b651cfd. 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/US83Z1822841.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf2e5037bec34db6daed518ee76b28169bfdbffe4f41763798c95cdfefb2d49a. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T20:06:10Z), 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/US83Z1822840.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x369f5227d0d9096981b852076ab3bbce9a76c104d656ee69cd2600b591c320f4. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/US83Z1822835.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x293a4c0a12901dcd3f6788712f8f39d44c2f32638f965e010929192aa0941959. 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/US83Z1822836.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8b2d39fecbe2cdb69c53a9f51d9c32cc7793be0d80f51b8d8a387c7bfa356d6. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/US83Z1822838.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24a66516fa834f7505b10d20283abf342b929bce5f40c7b1056f589b577a51f9. 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/US83Z1822839.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x609d48a2e3983fab8846e901435273cc8c42c8afc9797308da64e2e73cbfce3b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/QM6N22492531.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x860a76da46ff2b08fa9bcd46d0d13f224b23551d80e2bf49c3aefaca9d16cee3. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZQAY2444157.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb80812570df196eb882b7cf5d03b2aaef3dd034893ed24efe01084fd97d13a35. 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/US83Z2465094.
Fire in the Sky (Chris IDH & Isidoros Remix)
Fire in the Sky - Chris IDH & Isidoros Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bc78dbbbab4620eb89e9ce7ef4dafbd315eb100f2c173bb7325485ded113993. 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/US83Z2337076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecde17fee94b567809cbf73659795413083fa8418b2fd3f25127a54d7f9ce0dd. 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/US83Z2460890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16cbbbc42075bc14d5c50c06006ba327d0a91823bd204eade16e561d939ee670. 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/QMFMG2315475.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d452284b9782240eff89f38c84d0d0bbaf35778df7249ca4ad3a3710143ba5e. 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/US83Z2331472.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2467cb6cebab603e1195e7c7b48da21553b3dac8238f0b68b82c3c04baf399f7. 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/US83Z2313205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6eb515734b7fe214b9abc002fd5339bce2cf6e9d18851ed7ef3f6c601e8dca9. 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/US83Z2313210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7df94ad81291eb7ddc3cf0e656da93d1c9be830f960dfbe42f353f86526e574d. 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/US83Z2315052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ab76c26bf268c70979ecb8fdd23a13dfaed7149c8edff76a70050fd1c7e85c1. 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/GBKQU2294279.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x707d62c0237217346a4e519cc17041ff685bc34c2a3f714e5707c2a85e0b2f54. 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/US83Z2221179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35ddf414cbd22d4de41df53162fad4234d698f76fcf01608a4c8a621724c8056. 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/US83Z2221180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56c080bc9453c6d570febb62f3215b24d878a770fa05d2770802b57d60980a1c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GBKQU2170945.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6673d69f2d779800555379beae9227aa4493f9c2959be5f44efff782f6fa39f0. 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/GBKQU2170946.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f7214efac8851dbcacd2b0f87228cfe096d3f29c90b80d12fb0b862ea1d2860. 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/US83Z2005079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa88dad7a6af8f4a22ec32b06a23826edff2734d96b25d579217c1282cddb46eb. Chain 2 (Bitcoin): anchored in block 960314 (2026-07-30T21:00:46Z), 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/US83Z2005078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f0c1b213c5fa52f89824068096d512302e3add306cf9da006c58e006e6b355d. 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/US83Z1792107.
Pueblo - feat. Yusuf Lemone - Chris IDH Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6b0932cd10e129d13a9b38c776a7db9e3e30c0ad751be0c81d3c76be7cec040. Chain 2 (Bitcoin): anchored in block 960311 (2026-07-30T20:45:02Z), 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/US83Z1792106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb65810af9a6982a14034142b94814b1bffd991aeadabb30bceee2d3739a0f51d. 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/GBKQU1760624.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ae63cdab92b51bb993b6cfcae7a5261c356c168aac7d39e4b039b9215b0ddf6. 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/CH8191001581.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x612b2831446eabf792d5b73f7908c4b1d57e0b342e0897c647741cc8f594b79f. 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/GBLV61636453.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37f9f60e27611a8d9d9e5e32fdc83199ab9d1104375e9ed76720dd21eb48fd77. 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/FR10S1521530.
Have You Ever (feat. Chrysa T.) [Beat-les Sunset Mix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8733cd2d3807fc805a61efae45e3667b5b0988e3c9fdff81aacfe30ad1e52782. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/FR6V82476654.