Eduardo Mata (5 September 19424 January 1995) was a Mexican conductor and composer. Career Mata was born in Mexico City. He studied guitar privately for three years before enrolling in the National
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 0x49150ebe3af94594f30212a680cf966489b8b9eabf9186f573f5f948e296e00e. 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/db6979a2-497f-4b1b-8b67-374218f8bae6.json and https://artists.proofprofile.net/proofs/artist/db6979a2-497f-4b1b-8b67-374218f8bae6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Piano Concerto No. 20, KV 466: I. Allegro
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 0xe21dca929599325c207720e24234c4787582d0753ed23c0f0b73ba47eacd8534. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/USBC10602643.
Piano Concerto No. 20, KV 466: II. Romance
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb51e870cd446555f139ebb45be65af9d50a7b36128f9a287c36be30bb366d49c. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/USBC10000805.
Piano Concerto No. 20, KV 466: III. Rondo: Allegro Assai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa88e44486fe25d35fb3c0fa91fd323241b508bb64a58220dde87093b737dfbcc. 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/USBC10602644.
Piano Concerto No. 22 in E-Flat, K.482: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dfab5f208e932915365051c902d942c6c055f76f83a0311b17c728ba46ff6da. 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/USBC10602646.
Piano Concerto No. 22 in E-Flat, K.482: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf3868e0276874afd8a91399b7dc9f3a4aa21cf5d71a550f6de14042acaf92c3. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/USBC10602647.
Piano Concerto No. 22 in E-Flat, K.482: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb71cc52aadd39cdbdfe2a2100be8780965cc9aed5e4a9270c67792225744a191. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/USBC10602648.
Dorian Sampler, Vol. 6 (A Dorian Banquet)
Estancia Suite, Op. 8a: IV. Malambo: Allegro - Tempo di malambo
Simón Bolívar Symphony Orchestra Of Venezuela
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xead40d6308a6613c5d0a3a63654169f5f5a3b6f6138c495ff61f427c29dc0d9a. 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/USKC60710220.
Carmina Burana: Fortuna imperatrix mundi: O Fortuna
J'aime pas le classique mais ca j'aime bien
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e11f99132f2a8e608f355a0a174edc29a9704cc6d9dd0c6002e28f253863754. 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/USBC18000111.
Concerto in C Major for Flute, Harp and Orchestra, K. 299: II. Andantino
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c0b764111929fdf3ae96e92d6aaee6d12bc068b39d4af565a5cbe8eeef86b39. 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/USBC17800001.
Ich mag keine Klassik, aber das gefällt mir!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e11f99132f2a8e608f355a0a174edc29a9704cc6d9dd0c6002e28f253863754. 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/USBC18000111.
Miroirs, M.43: IV. Alborada del gracioso
Mozart in the Jungle - Season 4 (Music from the Prime Original Series)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf846d94c5f1347308916c19b47ca4c7f2a14d827cbc3510ab809109d9ee4ad34. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/USBC10100660.
Les Plus Grands Airs De La Musique Classique
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7430ae6c41e14dafc2ccff1d54876e31c7ef6d9a4e1a20dda1c980ecae9e8b78. 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/USBC10100650.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e49e53b4f00b5d557efecc8d79a1c3553d2cf11c348b99da3102182171ee2d6. 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/USBC17800119.
Enigma Variations, Op. 36, X. Variation 9 (Nimrod.): Adagio
Uplifting Classical - Music to energize your mood
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf90997018ab259f0e6c56fa863b80aad8ee0694ae6b1df3ecc9904b4ac836584. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/USZGD1300134.