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 0xf495a59236bb25c721639e534683668f88fec793d998ee21e6578e5ad1108838. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/584e59d7-06e3-4ffd-a0cb-16c27a65c2bb.json and https://artists.proofprofile.net/proofs/artist/584e59d7-06e3-4ffd-a0cb-16c27a65c2bb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
La Sonnambula / Act 1: Tutto è gioia, tutto è festa
Orchestra del Maggio Musicale Fiorentino
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 0xfbc61fb88173b170a94d811a95426c08a8a7773766849688a1a1a2f46398cecb. 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/GBF076241702.
La Sonnambula / Act 1: D'un pensiero e d'un accento
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6f7d91748fe1ceada457e9a6a8cd90ce570f438327ddce4e5c09c182ec536b8. 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/GBF076241720.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa25b853b8a7cacc85d3f8628ab1ca84adacd966ab9fb18f6d6b7ad3a379e9dda. 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/GBF076241703.
La Sonnambula / Act 1: Sopra il sen la man mi posa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c392a08b0ebabd61947dade49bce5bc9179405701d652460e29869e060291ba. 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/GBF076241705.
La Sonnambula / Act 1: Perdona, o mia diletta, i breve indugio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26421e0167319706aa25422441f2dc242fc248c4e417878a7459a4f3802c0560. 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/GBF076241707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d75a80cb5857a7c9813e563581e6a945bb775be125411f2997fad301f4ce622. 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/GBF076241725.
La Sonnambula / Act 2: E fia pur vero, Elvino
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x188631f9b910c79dae9c65d69c6a75fa0d6dd8cab3b69fe38e93edc4497d1d49. 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/GBF076241729.
La Sonnambula / Act 1: A fosco cielo, a notte bruna
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ca510f0c75a3d2799a0eb46cd3770c431cd11fd6163bef5798ba2b62e0458ab. 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/GBF076241712.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8efcf4c19dff7544e243ed6a8e3aef4278b70b2b8bb99ea86bb76d2346b596bb. 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/GBF076241713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd213d993e7537d49141d22b17960850a26e2c3e811d43da98813cae0c9db27a4. 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/GBF076241716.
La Sonnambula / Act 1: Oh ciel? che tento?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x654cbb55cc5064ecf6dc40c9dc29267ed1af43c62ab7b5c0646271d92d07d735. 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/GBF076241717.
La Sonnambula / Act 1: Osservate! L'uscio è aperto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16d7c24a00e0ed56f1c400c18495c26409028bc9013b6db51d1c5cd2da296ec7. 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/GBF076241718.
La Sonnambula / Act 1: Viva! viva! viva! viva! Amina!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d83a03fc155033d8b376422db9e1b0616b5d61c68c6f5a32bab0cae6ff75bc8. 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/GBF076241701.
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 0xc60fc2ee746f0b0c0595c5821d43c0f1e188998bbbd7ec29eca24931e80149a3. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/GBF076241719.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ed4787578174a7fb6b4154b04345327ee4af97d8decceed6c76093bc1b24c4c. 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/GBF076241721.
La Sonnambula / Act 1: Care compagne, e voi, tenere amici
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x012aaaefc499a098d14992114e2dbfc3b51ac0e9845fda946b2aba2c9167bc9f. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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/GBF076241704.
La Sonnambula / Act 2: Qui la selva è più folta ed ombrosa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x793b65ae1d19eb2dce7a9edb03650274169200a793b4240308f0865e92c6ce63. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/GBF076241722.
La Sonnambula / Act 1: Io più di tutti, o Amona
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf04e7983e518235f143cbb8978d2908bd8b0a7f22f3e82992580fef35a30cb94. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/GBF076241706.
La Sonnambula / Act 1: Prendi: l'anel ti dono
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc37e26081940d6f49a07aebb92042d290bcba21bf4829cf89de661422882cb66. 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/GBF076241708.
La Sonnambula / Act 1: Domani, appena aggiorni
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a94f08fa02c3df2d50c8b2430382d082f78695a18cc7ab1c45bafdd598a6f11. Chain 2 (Bitcoin): anchored in block 960298 (2026-07-30T19:26:00Z), 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/GBF076241709.
La Sonnambula / Act 2: Lasciami: aver compreso assai dovresti
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b53f944b8514a35aacba62863362a2c8778366af710d760785b42c3cbf73e9b. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/GBF076241727.
La Sonnambula / Act 2: De'lieti auguri a voi son grata
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ac21dfc6c3f75f206b929a6f07cc60e7dd8cc19a6eac29f0480371f17a47fa6. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), 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/GBF076241728.
La Sonnambula / Act 1: Contezza del paese avete voi, signor?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf095a7bc745b40b73bec1e0c746415d0dde47faf66ca91030bdc5a1a4e5b6ead. 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/GBF076241711.
La Sonnambula / Act 2: Oh! se una volta sol rivederlo io potessi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaa870a9825c3a6ae46420b6132e7e8c3e64429dc1413c9d10160fec071814a5. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/GBF076241732.
La Sonnambula / Act 2: Ah! non giunge uman pensiero
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x679149cd94b9e7dbb56b68ea64b546c14f29df08d7888875eeaa638e358fa4ca. 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/GBF076241733.
Linda di Chamounix, A. 62, Act I Scene 3: Qui sì, pria della partenza
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17b93053356da076a95439dceadc63a374f83782c06667e230d494875ad7a03e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/ITN322119897.
Linda di Chamounix, A. 62, Act I Scene 3: Cari luoghi ov'io passai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f9ab5f9f3e1427890514027901bbf305fa4d4509dce6379934bd35fe7cbc1a5. 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/ITN322119898.
Best of Opera - Die 50 größten Opern-Arien
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2db843557cf03e066055f91e1fcf33624584e5417cc079bb5f2164582657e5f5. 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/GBF076240103.
La traviata / Act 1: "Libiamo ne'lieti calici" (Brindisi)
Opera Arias - Nessun Dorma - Casta Diva - O Mio Babbino Caro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2db843557cf03e066055f91e1fcf33624584e5417cc079bb5f2164582657e5f5. 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/GBF076240103.
La traviata, Act I: Dunque a te, un brindisi! (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b24590c82bd84c98f7fa4df2b023b553d63c176cb6b7a620f38a0e19fc74670. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/ITN322220660.
Il barbiere di Siviglia, Act I Scene 1: Piano, pianissimo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4ee4ba3d15931be3298f1f82a380946cef6b25ceda8c3bf4599237111eeb43a. 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/ITCC51104796.
La Sonnambula / Act 2: Ah, non giunge uman pensiero
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd71e6a188087edf1c374c7660253a8cebcf4e89240cea49d5683b8b6762237f. 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/GBBBB0001606.
Norma, Act I Scene 1: Casta diva (Norma, Coro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc0492458f429d4d22e20b7ca28f476d61b8107220cf8c4317de9c3c3f90f549. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/GBAYC9402119.
Lucrezia Borgia / Act 2: Era desso il figlio mio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b20f27ed3314d9e95f475be831b261cf140be47f1ad59caf13d2979ef2bf4e1. 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/GBBBB0001623.
La traviata, Act I: Dell’invito trascorsa è già l’ora (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6d9f28c5670e5a82d91a5f3763dd008a2c400df2b5537fa7f2be918178a3350. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/ITN322220659.
La traviata, Act I: Che è cio?...Voi qui? (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6aa8343ab9584049446994486aeeea8718c0dbb56299be3b4f6f019a93ef52db. 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/ITN322220661.
La traviata, Act I: Si ridesta in ciel l’aurora (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59a0e06ea434dbfb00cb2b750d84c960ae3ac9eda5febc753a1481a83e0a94a8. 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/ITN322220664.
I Puritani / Act 1: "Son vergin vezzosa"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c7fd6b0c038a13d5fb02439292c9c42d766d4fdc4a31d05cdac7f1ef5b2d28a. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/GBF076210101.
Il barbiere di Siviglia, Act I Scene 1: Ecco, ridente in cielo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdc69b4f8e60f4c07177809233878f8c09d31caf24bd4f4ba1811042897bf806. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/ITCC51104797.
La traviata, Act II: Di Madride noi siam mattadori (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e951e208d9bfff85d43618e30888dbe77f2b84a47c6184ac598e1f6bf2e7c75. 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/ITN322220681.
La Sonnambula / Act 2: Ah, non credea mirarti
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31632dfaf8c485782d8b8a5f02542dbcb082a68089b8f7dddf3cb3e2ab37324d. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBB0001605.