Josep Pons (born Josep Pons i Viladomat; 1957) is a Spanish conductor. Biography Pons was born in Puig-reig, Berguedà. He received his musical training at L'Escolania de Montserrat and continued his
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 0x2e38485e5e2c6a763a5aca3bcedf45657fe574b763558baaf31147a645577243. 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/c1d59f37-0c29-4bfa-a81e-7c7095a76665.json and https://artists.proofprofile.net/proofs/artist/c1d59f37-0c29-4bfa-a81e-7c7095a76665.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ginastera: Estancia, Variaciones Concertantes & Concierto Para Arpa
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 0x168f899a725f20e5d2acc411406a115d2f69f7f58fcdf8edebdb5f1007d12f31. 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/FRZ140232020.
Estancia, Op. 8a: III. Los peones de hacienda
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x841b703fd42fa74bcfedc8a1a1ca3a6d39d52de5641e562b3ea7c89eafb4904a. 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/FRZ140232030.
Estancia, Op. 8a: IV. Danza final (Malambo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6dc9577a4ce0e4c209883b27269a2f1f9c18abd14768c6ccbf5952a50d9d621. 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/FRZ140232040.
Concierto Para Arpa y Orquesta, Op. 25: I. Allegro giusto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbe63229c133caeaac549a9ccd74889d2c9ddbc4d06ab9ed062d3361aadf4fc5. 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/FRZ140232050.
Variaciones Concertantes, Op. 23: I. Tema per violoncello ed arpa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb616e834e71385f7049dfdcd246f56ba51c7b0bf6381cf023dea47bee829c319. 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/FRZ140232090.
Variaciones Concertantes, Op. 23: III. Variazione giocosa per flauto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x079636e739b6de8fe4f8b3ab69fe76a2399432793672356a99274c0d5e822759. 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/FRZ140232110.
Variaciones Concertantes, Op. 23: IV. Variazione in modo di scherzo per clarinetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd70c966d6e6975603c1b4e269ba52d69a626863d5d4551e4989b45fd4082e4d7. 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/FRZ140232120.
Variaciones Concertantes, Op. 23: V. Variazione drammatica per viola
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6e5ae36e25ad9160622f6a56b326160d6e8083a42a5f215e90d973b523ba69f. 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/FRZ140232130.
Variaciones Concertantes, Op. 23: VII. Variazione ritmica per trombe e trombone
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8084374658784b0403502d22f65eaa4db0d81551f5bffc9c2aee07acc323157b. 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/FRZ140232150.
Variaciones Concertantes, Op. 23: VIII. Variazione in modi di moto perpetuo per violone
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cc30f74e2abade4bfc345268ad2bd395f7b1c9ded74dd35758a30d5ba82aff0. 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/FRZ140232160.
Variaciones Concertantes, Op. 23: IX. Variazione pastorale per corno
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bc01456f2e22d301f914bf8dd015649d0f0aa5fe639f50b0f57c5c380c4d10b. 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/FRZ140232170.
Variaciones Concertantes, Op. 23: XII. Variazione finale in modo di rondo per orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2841c9f0ac356f793a34bcffcd1860f939d48f9a81a031b4131942540addbbf1. 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/FRZ140232200.
Estancia, Op. 8a: I. Los trabajadores agrícolas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x320d457e11c7be5c4ae7e11d14349fad85bde4426c735762ca8e085c87ed0588. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140232010.
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
Concierto Para Arpa y Orquesta, Op. 25: II. Molto moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a1cf5cec18b3080068e2f893aa1789fbf01d44f6e3f52e30005ec0988aee3ed. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/FRZ140232060.
Concierto Para Arpa y Orquesta, Op. 25: III. Liberamente capriccioso - Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05ff648515e14a4d901f7e3ef73eb9c4cfe74615129a33e669a962ebbddb7edf. 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/FRZ140232070.
Variaciones Concertantes, Op. 23: VI. Variazione canonica per oboe e fagotto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34fc7471a463873a5a25d0da6d50b7e8f39c1461afb9c945a0648614d1a796e1. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/FRZ140232140.
Variaciones Concertantes, Op. 23: X. Interludio per fiati
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedc7c2b86a1e2266f45feb784d8a492abbad1bb6339b6343a568c6d646c00fe5. 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/FRZ140232180.
Variaciones Concertantes, Op. 23: XI. Ripresa dal tema per contrabasso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ddb3bff725a5b1ca5754bfb5e41f59b3e9957477d9162f6bace5ae38346a1e6. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/FRZ140232190.