Luis Rigou (born 23 June 1961), also known as Diego Modena, is an Argentinian flautist, singer, composer and artistic director based in Paris, France. He is the founding member of South American musi
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 0x942fcf8d6cd178f801cfdc3928ae04861eb2c42b51d6f8540a3a49f323c530b4. Chain 2 (Bitcoin): anchored in block 953667 (2026-06-14T17:49:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5834c4cd-5043-4bb8-8747-dff1e67f44cf.json and https://artists.proofprofile.net/proofs/artist/5834c4cd-5043-4bb8-8747-dff1e67f44cf.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 0x8c8d1a3b7fa60b2df91fc5cac06d4d705be7b76150da3a5398eccb724812f912. 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/FR7NZ1901490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4708a484039ea7ff154240af94e08f3cd23a29645981b9064f6b35aafd4cc06. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/FR7NZ1901880.
Quebrada (On The Breaking Edge Of South American Music)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dbe0dd83f15516f6fb258e188da734519cd21947796be72e3b1203645d7c706. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T12:07:31Z), 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/FR7NZ1900010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x759fe5ebc49507d6a4f613d040c175bae91cfcd77a67260b36c2495b36faef81. 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/FR7NZ1900020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8aa4ee8216b39d860143f9be38a8e2d9209dc70f37d0bda414cfb1a5f9f38ad. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T10:02:07Z), 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/FR7NZ1900030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5c1f735338fddf87d3d6d8f516cdbbf11c45020a6851fe00e2e96e4141e8c0b. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/FR7NZ1900040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcd6aa78308d851773eade1667982f2ed66edc1433b3e16c11dc7872ddb3e588. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T04:29:18Z), 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/FR7NZ1900050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cb3db541308bdae739e182d8919cd034749ba8dfd990e493375b75b48bcbd38. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/FR7NZ1900060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaaaa2744ea5b1b465abfabdcfa3114c5036a3c06bd9507a4a64b4b2ffe9f52dc. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-19T22:55:52Z), 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/FR7NZ1900070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46c76fd9813ff8835d33acaae22c1cde545263df3fb6696b97cc0a062136b1be. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/FR7NZ1900080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefcd496913872cd8f5a745d2974b1b9204ee2ae068b01e18c4e7efd58249b317. Chain 2 (Bitcoin): anchored in block 959015 (2026-07-21T16:37:59Z), 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/FR7NZ1900090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x303ca0f962a61d83fd6c040ac247eec97ee4e86fb488dc3eebb854783aaf2ac6. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/FR7NZ1900100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2427fafce9464e4f251e1151679c12998ca1794a157e6d603f46d1101cec08a4. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/FR7NZ1900110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0869b6eb88a3743d597c231cd339b12f9411ef8fe976a92b48cee427c39f1c0d. Chain 2 (Bitcoin): anchored in block 958969 (2026-07-21T04:58:13Z), 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/FR7NZ1900120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0eb2cdd3b9e22e6a114d0072d324eb7fc99397bbb72f89991dd8002a68e8ac1. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T06:30:43Z), 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/FR7NZ1900130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f061190fad521d517a2f4bf2b241b6eb1f23ba5f648368d5021f4732d5ed153. Chain 2 (Bitcoin): anchored in block 959054 (2026-07-21T23:00:07Z), 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/FR7NZ1900140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f27e80778aeee9689daab91c9e7101ea6d92c3a0530bed761dd80e09e55dc3a. 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/FR9W11726153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb268785437d663c85dd72471f7be1409672f00798641a9edf01248ef7238185f. 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/FR9W11726152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d431c935e689c0a42760d3f6cfb3deb3ccb12a6eebc3b6663e289db20475710. 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/FR9W11726154.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a9a6348fd19b382c8f89218e5123d63101b37d2a80314da53a3a5075878db68. 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/FR9W11726156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x007665d0042d3ee5f6cb4f2dabc31c3f4f19d4d5e44986442bc7f150e7320cc5. 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/FR9W11726158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71167d471e4c9ffa754cebb6385c3df25f43c4e17ce7452ba5a86ea0084cfc17. 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/FR9W11726161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x484e5e0803254ae8343e631c89a7d28811715151cd82141f46a125ead2ffc62c. 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/FR9W11726162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea0c938f456f3379cc43de20bb1576d7d0e49bf49cd133e3c5341db0a85624e7. 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/FR9W11402386.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3446eb5270f02bd2f9c30bf4ba8889dc759398982081183b5da517069f966b01. 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/FR9W11402387.