Jessica Rivera (born 1974) is an American soprano of Peruvian-American ancestry. Life and career Rivera is a 1996 graduate of Pepperdine University, and earned her Master of Music degree in 1998 from
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 0x81881e05a140fe3ab6f184e254e9e01f8b83e15e4a943b71a876f966b72014b4. Chain 2 (Bitcoin): anchored in block 953939 (2026-06-16T11:40:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/20f56915-e1f9-427d-a3df-3719164220b6.json and https://artists.proofprofile.net/proofs/artist/20f56915-e1f9-427d-a3df-3719164220b6.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Jonathan Leshnoff: Zohar & Symphony No. 2 "Innerspace"
Vaughan Williams: Symphony No. 5 in D Major, Fantasia on a Theme by Thomas Tallis & Serenade to Music
Golijov: La Pasiòn (Incl. Listening Guide: Osvaldo Golijov talks about La Pasión)
Robert Spano: Hölderlin-Lieder & Piano Sonata "Four Elements"
Vaughan Williams: Dona nobis pacem, Symphony No. 4 & The Lark Ascending
Jessica Rivera Sings Romantic Music for Soprano, Clarinet & Piano
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 0xdaee01f045ac82ae7a66cee53c7967ad494aa2f1cafefd0fd27e19a63c15fb5c. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532801 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa802a5934bba9557b4199a111ca297fef9f0adf61e0dbd4e4803e95ea0e0d461. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532802 — a six-check JSON result.
Ainadamar / Act 1: Mariana: 2. Mariana, tus ojos
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2b187e535c1b3266d5c5e6303a03e9f28179f714c55e90ad2678b3bfa4d6106. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532803 — a six-check JSON result.
Ainadamar / Act 1: Mariana: 3. Bar Albor de Madrid
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5570c097901f64405468e0818f4c6f3705b36fb6e444236fead4fec78267ef13. Chain 2 (Bitcoin): anchored in block 960268 (2026-07-30T14:53:07Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532804 — a six-check JSON result.
Ainadamar / Act 1: Mariana: 4. Desde mi ventana (Aria a la estatua de Mariana)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e6ef6cca448d92590bfa69b8d1014ef25cc97dbdf9856ddfb9c9cea34a9c3fe. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T18:47:29Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532805 — a six-check JSON result.
Ainadamar / Act 1: Mariana: 5. Muerte a Caballo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa9a6ee9b6a22704e12f2a8b05824a5328e79a29a8e073f81a14423521bcfa7b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532806 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8572fe82c1fc7ef76e77f9e09cbd838cfef77b356edf7e5afce2b98a94badafb. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532807 — a six-check JSON result.
Ainadamar / Act 2: Federico: 2. Quiero arrancarme los ojos
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb170dbf74bcef796b3c386d90a92477c641e75b5ca7da7e46d407c33110d4334. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532808 — a six-check JSON result.
Ainadamar / Act 2: Federico: 3. A La Habana
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05f5d81f5649c114207f5e95a37e1f752c75b4c4a679900ea0896d0988ef4d83. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532809 — a six-check JSON result.
Ainadamar / Act 2: Federico: 4. Quiero cantar entre las explosiones
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65c30de63ef439be7745fb8380197179c4d6f7102afead01414f408c4d0e5e1f. Chain 2 (Bitcoin): anchored in block 960145 (2026-07-29T21:13:37Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532810 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3588ac9a2b93e81b2936a68320bb26bdb4335d61f5490210c8effb0ff1402749. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532811 — a six-check JSON result.
Ainadamar / Act 2: Federico: 6. La Fuente de las Lágrimas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x903c7d50e3614d95955545f691deae2cf968a426825e9552af1fd4150b811779. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532812 — a six-check JSON result.
Ainadamar / Act 2: Federico: 7. Confesión
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9b524be79b257dc346652dd25e9714975e8a7fa305c43a8393a5af1660e18f0. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532813 — a six-check JSON result.
Ainadamar: Interludio de Balazos y Lamento por la Muerte de Federico
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc26db5f86aef1d6bcf417e0d87733fbab02802206ebd46898b1a458d137430c. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532814 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3471d9616e417e595e564505ad4785a2ded53b8374eecd3f309b1042134c005d. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532815 — a six-check JSON result.
Ainadamar / Act 3: Margarita: 2. De mi fuente tu emerges
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59e01ffc39e71809f8b573599800579617aa01eea812de159dad10da02faf52e. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532816 — a six-check JSON result.
Ainadamar / Act 3: Margarita: 3. Tome su mano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd6e2293500e355122fc553f8627fea292e5f7a244e318190e368a67554b4499. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532817 — a six-check JSON result.
Ainadamar / Act 3: Margarita: 4. Crepúsculo delirante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2573d476ae2f317ad2c535b83d35868e2f3d05e2e7f219c397321489a4ed8f60. Chain 2 (Bitcoin): anchored in block 957039 (2026-07-07T12:58:18Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532818 — a six-check JSON result.
Ainadamar / Act 3: Margarita: 5. Doy mi sangre
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x950865c5e6cd5b9a9c79013cf81ab4a9ac8a54bcba63c3ec52236e0c333bc8eb. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532819 — a six-check JSON result.
Ainadamar / Act 3: Margarita: 6. Yo soy la libertad
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bc319ea362c169184ff32db383b8f347e3241759568e40c78224bb0ff928da6. Chain 2 (Bitcoin): anchored in block 960099 (2026-07-29T11:30:20Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532820 — a six-check JSON result.
Ravel, M.: Daphnis et Chloe / Poulenc, F.: Gloria
Ian Krouse: Nocturnes, Op. 60 & Invocation, Op. 54
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fa3a95c745cc119877d90bc8de9fbe0128e49ace088e9aed3cb51a04fc0e5fc. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USXM71300007 — a six-check JSON result.
Dona Nobis Pacem: The Angel of Death has been aboard
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x344595ddac216b9184a8795e2e59bf0e73045279e9173900f9956073d35d1887. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USXM71300011 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x487fce2f2fc0ada619b20ef7f06a2f103edf9bb30163a9db9bb404456a5197af. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USXM71300012 — a six-check JSON result.