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 0x575662e5e08abb035c3dea2f12db4f78821f7330e4c18f3a710a32e51f9f48ca. Chain 2 (Bitcoin): anchored in block 954580 (2026-06-20T17:48:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b6b9ee2b-2f94-4391-9e85-8082cd37443c.json and https://artists.proofprofile.net/proofs/artist/b6b9ee2b-2f94-4391-9e85-8082cd37443c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Pergolesi: Messa in Re Maggiore & Mottetto "Dignas laudes resonemus"
Venus y Adonis (Arr. by Alberto Miguélez Rouco), Sinfonia in F Major: I. Sinfonia
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 0x2b47878d216079e761c334619fc6e35f9bf248caeed0fdfd43b2f1e1e2384d38. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/FROV62337301.
Venus y Adonis (Arr. by Alberto Miguélez Rouco), Sinfonia in F Major: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7c024206619acb19855367200c2056c7d1001ba17196079f1822967ac078d94. 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/FROV62337302.
Venus y Adonis (Arr. by Alberto Miguélez Rouco): Aria. Cualquiera mozuela (Celfa)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34b5cf732bfa10fb4056bd2ebe563c668ce10e127f63b9b2036bf0b29ef43807. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-21T20:58:06Z), 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/FROV62337326.
Venus y Adonis (Arr. by Alberto Miguélez Rouco), Sinfonia in F Major: III. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1534828b3e8fdbf65c02f20010662c8084e8bba3d50fa9d4a85b1cebd97255a. 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/FROV62337303.
Venus y Adonis (Arr. by Alberto Miguélez Rouco), Sinfonia in F Major: IV. Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed83359c8415206bae25cb70adf095b1f25ea090ffe3f51168b2b8afa5094ba2. 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/FROV62337304.
Venus y Adonis (Arr. by Alberto Miguélez Rouco), Sinfonia in F Major: V. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53637591d0aa7dd0667572a9079a0cca4a04bfde3637b92e6607b9c52075efaf. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-22T01:04:04Z), 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/FROV62337305.
Venus y Adonis (Arr. by Alberto Miguélez Rouco): Recitativo. Cese, el que, miedo de la Tierra (Marte)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87d0d5d578daa8c57cbd8a0ddc47bdc8393dcef93f28213ac3252eb86ef54d13. 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/FROV62337310.
Venus y Adonis (Arr. by Alberto Miguélez Rouco): Recitativo. Espera, Marte (Tutti & Chorus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24a97c201653ef6df34f8b1f57ea872bb130bf0e16f4e9adee55b62defd6842a. 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/FROV62337335.
Venus y Adonis (Arr. by Alberto Miguélez Rouco): Aria. Adios, Venus bella (Adonis)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24047058488145e7370e75cf584a5ad906a216f72c95ff8a35c1c64853d4c5c5. 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/FROV62337336.
Venus y Adonis (Arr. by Alberto Miguélez Rouco): Recitativo. No triunfe el hado (Venus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x363d8adf25e5919d8376815cf1c4ec1368e5834f6884deb9f87e072303bfc9a3. 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/FROV62337337.
Venus y Adonis (Arr. by Alberto Miguélez Rouco): Aria. En flor tu vida crezca (Venus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x227e88997f15322b1338b317c40c03642d8fb0c573ec78f5ce4a87988f379969. 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/FROV62337338.
Venus y Adonis (Arr. by Alberto Miguélez Rouco): Recitativo. ¡Ah, de esos horizontes! (Venus, Chorus, Marte, Cibeles Celfa, Clarín, Adonis)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d60cf7a89565c11a29613c98ed9eb19f6467b1a7ca93ee2485de94c0e60964e. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/FROV62337339.
Venus y Adonis (Arr. by Alberto Miguélez Rouco): Chorus. Victoria por el Amor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee320db3b0a36485834f3a03aa04be5c2fa9f81afbff97ae92079b71e227ffbc. 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/FROV62337342.
Venus y Adonis (Arr. by Alberto Miguélez Rouco): Recitativo. Desde un coto a otro coto (Venus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc170a9d1463bbb4759f326e38e8389366751cd73194bc0743b8b1510d2c0c59d. 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/FROV62337319.
Venus y Adonis (Arr. by Alberto Miguélez Rouco): Aria. Trompas venatorias (Venus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9ff378740a18edfbe682bc5ae9725aa0036d48cdbae54d87253c9484d10759b. 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/FROV62337322.
Venus y Adonis (Arr. by Alberto Miguélez Rouco): Recitativo. ¿Así te vas, lisonja del sentido? (Adonis)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b64a49460fce0f82c550bb4ff0d923fe23b725345bc16b35000f93064d233fe. 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/FROV62337323.
Venus y Adonis (Arr. by Alberto Miguélez Rouco): Recitativo. ¡Ah de esa triste boca! (Marte, Chorus, Cibeles)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x034e03b36a611ff839d85e7bd9b3e87b069b5b2683e26f50e6ea9896b674afb8. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/FROV62337327.
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
Venus y Adonis (Arr. by Alberto Miguélez Rouco): Chorus. Ni Marte con iras
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec49451b164b5abf784fa0e89966737556f6169866f3411719d43e2f83efd23c. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/FROV62337307.
Venus y Adonis (Arr. by Alberto Miguélez Rouco): Recitativo. ¡Ay de mí! (Venus, Chorus, Clarín, Celfa)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd59775b234481a40ba00298b5ed6d918f205aeed36b343c6adf76aa08c53711. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/FROV62337331.
Venus y Adonis (Arr. by Alberto Miguélez Rouco): Recitativo. ¿Qué escucho, airados cielos? (Venus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1532ca2964c7f15d4f678669815e70da81bc9df7ad3281be87ef65b7de3c2915. Chain 2 (Bitcoin): anchored in block 960222 (2026-07-30T07:48:45Z), 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/FROV62337308.
Venus y Adonis (Arr. by Alberto Miguélez Rouco): Aria. Mi airada venganza (Venus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2906006935b857ae1fa93b7ef7cc2c8b952b62675269b25ba753563445ccd7dd. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/FROV62337309.
Venus y Adonis (Arr. by Alberto Miguélez Rouco): Recitativo. Ea, airada inclemencia (Marte, Venus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2abf279870b9ce034116950e231217747d3cd4004d542cf78b9f4585883e1e68. 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/FROV62337333.
Venus y Adonis (Arr. by Alberto Miguélez Rouco): Recitativo. ¿Por qué lloras, mi bien? (Marte, Venus, Celfa, Clarín)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16473fec9f740fb0c261c5fb5d2ac7a58e7dc5bc027b93d779fb3d8c1cebe7d6. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/FROV62337312.
Venus y Adonis (Arr. by Alberto Miguélez Rouco): Chorus. Ni Marte con iras (II)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ab022695e8c6adff9f90acda9cdd8226fe076e039feac4d28c9cad1d489aa69. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/FROV62337313.
Venus y Adonis (Arr. by Alberto Miguélez Rouco): Recitativo. ¿Estás ya noticioso? (Venus, Marte)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bfd66ce38ba205fc30b75586592b1666b2303881b8714e94a5d022936724471. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FROV62337314.
Venus y Adonis (Arr. by Alberto Miguélez Rouco): Duet. Pues al estrago (Marte, Venus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x465a4cdd3653fba9d4801bea93c848f5aa7c85ab4957b10dbc43cad513d15f41. Chain 2 (Bitcoin): anchored in block 960200 (2026-07-30T02:37:10Z), 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/FROV62337315.
Venus y Adonis (Arr. by Alberto Miguélez Rouco): Duet. Amor sólo, sólo Amor (Venus, Adonis)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0587ed7bf5a40f71b3d371739160721d5be1dcce46ede72396919538c0b78aa9. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FROV62337340.
Venus y Adonis (Arr. by Alberto Miguélez Rouco): Recitativo. Espera, detente (Adonis, Venus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa906d9d05f58fd5a9f0bc163423489e90768963fd299db4663fd8f39723ad724. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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/FROV62337321.
Gazzaniga: Don Giovanni o sia Il Convitato di pietra