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 0xb70e51179f631cdeb5e21f71f09e803eaa5104b5a52cf2f7303ac783fcb2f7c4. Chain 2 (Bitcoin): anchored in block 954549 (2026-06-20T10:56:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/aabd3c0f-0571-4f4a-8ec6-70256ea097f4.json and https://artists.proofprofile.net/proofs/artist/aabd3c0f-0571-4f4a-8ec6-70256ea097f4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Charpentier: La couronne de fleurs - La descente d'Orphée aux enfers
Alceste, LWV 50, Prologue: Rondeau pour la Gloire
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 0xfdeed157b38c3f5a052db97e8f95a7427b0c21bc471269ec322a315ae0dd6f57. 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/FROV61716441.
Alceste, LWV 50, Prologue: L'Art d'accord avec la Nature (La Nymphe des Tuileries)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2726fa05ebaf2ad8c12df674e21ebdf0a5f5ae4fc4a2c3a87a2534e0a5aa633b. 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/FROV61716444.
Alceste, LWV 50, Act IV, Scene 1: Il faut passer tôt ou tard (Charon, les Ombres)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57131e76e4a296c83111bb1ee3fc2ed329df87bff991f477b80f654b0a21a2c3. 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/FROV61716428.
Alceste, LWV 50, Prologue: Air pour les divinités des Fleuves et les Nymphes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dd3ed0c74b8d5edf8a3cf11fc15b8c49edc9918fdfc761d70da06ba22d7bae6. 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/FROV61716449.
Alceste, LWV 50, Act I, Scene 9: Le ciel protège les héros (Éole, les Aquilons, les Zéphyrs)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8a9b5f87afda8b0fe515dac818f62089433f41d82d21681daa9424daf0eaa62. 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/FROV61716410.
Alceste, LWV 50, Act II, Scene 4: Marchez, marchez, marchez (Lycomède, Straton, Admète, Alcide, Lychas, le chœur)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x810f84fa28f6628cd294e767f5f641bb5e0908393b5f1ae67c0cd82e17e4407f. 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/FROV61716414.
Alceste, LWV 50, Act I, Scene 7: Air pour les matelots
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1fb4f01c5ddec2f3b4cb06cf238b2da1cab9d039733bc72cf1e7d63b5855471. 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/FROV61716408.
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 0x6093925dc67b4d902f437b66ae72622ccc47b0dda059d83d6971b4a41cd7dacf. 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/FROV61513504.
Armide, LWV 71, Prologue: Suivons notre héros, que rien ne nous sépare (La Gloire, la Sagesse et leurs suites) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d35e45dcb16db14c66cccd9ddf7ccfd0bd3705cc09ce466bc17dfaff25077fc. 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/FROV61513507.
Armide, LWV 71, Acte premier, scène III: Armide est encore plus aimable (Chœur, Hidraot) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47b2f830a220ba92524fdfa03c0511dfe82749b94c6773f7486db33456d42cac. 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/FROV61513516.
Armide, LWV 71, Acte second, scène III: Plus j'observe ces lieux, et plus je les admire (Renaud) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d51a78f57c4acf17eab7495fc0f574e0efce17c72727cbd7340bbe25674b429. 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/FROV61513523.
Armide, LWV 71, Acte second, scène V: Enfin il est en ma puissance (Armide) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa91733c44354822d7d80eec48bbb931445dbd9d4a4d457fda843cda5a6fd4ddd. 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/FROV61513530.
Les Abencérages, Act III: Air de danse final
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a4e8d7cbc4ff887168e8c1415010e019c7cb140250cb55536df2e438d15f72a. 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/ITJXZ2200648.
The Complete Recordings on American Decca
Charpentier: Actéon, Orphée descendant aux enfers & La pierre philosophale
Actéon, H. 481: Ah! Qu'on évite de langueurs
Boston Early Music Festival Vocal Ensemble
Boston Early Music Festival Chamber Ensemble
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf792e999addeb68374f38ff91a6542f5499f8d380266626f9c8c1d31ae764c8d. 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/DEB200961307.
Heinrich Ignaz Franz Biber: Vesperae longiores ac breviores
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9d0c2099c944a5e10c1d59ec8637bb464092a5959a987f230b1a7d138f5f0ae. 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/DEN961831101.
Die Zauberflöte, K. 620 / Act 1: "Zu Hilfe!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71e5914e69f0480e1991d1efc7eed177e8a5c7df549c4aa35047f36ba02485a3. 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/DEN961831102.
Die Zauberflöte, K. 620 / Act 1: "Der Vogelfänger bin ich ja"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45a8cedc5c143f6fd8510b970cbdced678a3408eecb860bc48943cd2bf5b3d41. 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/DEN961831104.
Die Zauberflöte, K. 620 / Act 1: "He da!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc993ed195f706c63e80b6db93aca5ccb327e86814a6bddc4a3c30a261ec71c0. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/DEN961831105.
Die Zauberflöte, K. 620 / Act 1: "Dies Bildnis ist bezaubernd schön"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x240669e35c3257115f151e4e361bf83f0ad425c0b7f13e8d311dd0f8c3687176. 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/DEN961831106.
Die Zauberflöte, K. 620 / Act 1: "Rüste dich mit Mut und Standhaftigkeit"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b1991704fbb2e9f7d89232031289061d79f904591509796660a94c222e6b00d. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-21T17:11:59Z), 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/DEN961831107.
Die Zauberflöte, K. 620 / Act 1: "O zittre nicht, mein lieber Sohn"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72aea3f93855fe53674154c1d514c46064c97d877a33fd103508aba9679b35f2. 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/DEN961831108.
Die Zauberflöte, K. 620 / Act 1: "Zum Leiden bin ich auserkoren"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e831dc533bcda9bd1cba8affa3635076b58d3133465ef129b98b678e107be5a. 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/DEN961831109.
Die Zauberflöte, K. 620 / Act 1: "Hm! hm! hm!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c0911f202cd56bca8bc266a7b565b3fc7e5fc85dd61eabc07881af6439ca70b. 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/DEN961831111.
Die Zauberflöte, K. 620 / Act 1: "Bei Männern, welche Liebe fühlen"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0d0c1a0431d16fde334d92f683a9b88f1dfa34908fd4fee34dda6967e4139a1. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/DEN961831115.
Die Zauberflöte, K. 620 / Act 1: "Zum Ziele führt dich diese Bahn"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x139ff8ad6ed0ef0ac5be1bbea17c9d851dcbf828d38354f230e1a395ef9690fc. 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/DEN961831116.
Die Zauberflöte, K. 620 / Act 1: "Die Weisheitslehre dieser Knaben"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54e1cedb7f1bf443c1ca45631aaecf4e6982fa277a65f810c91c628888460f72. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/DEN961831117.
Die Zauberflöte, K. 620 / Act 1: "Schnelle Füße, rascher Mut"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0423b37365ea9aa906c0fc7099fe739368da8a9dd415daa3cec2794106df9a9d. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/DEN961831119.
Die Zauberflöte, K. 620 / Act 1: "Es lebe Sarastro! Sarastro lebe!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ec51b8b8aa0f44cd71bba8ddb8dfef9e62bfa58cf17d2c0d21385ed0fe9c5d5. 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/DEN961831121.
Die Zauberflöte, K. 620 / Act 1: "Na, stolzer Jüngling, nur hierher!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x140deb9c1dd0f627892c6f706d508ea9f11940c24e55643e6ba97988b49e13e6. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/DEN961831122.
Die Zauberflöte, K. 620 / Act 2: "O Isis und Osiris"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb90b52eab1fed3abbe1d2ecb9e518900a6a0232d18caf77e3bb52aa060dd80a. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/DEN961831126.
Die Zauberflöte, K. 620 / Act 2: "Bewahret euch vor Weibertücken"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e4b44119e2ba61f51d3eb2b3ab419241fc94a24ea396a8a99dcadf149523ac4. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/DEN961831128.
Die Zauberflöte, K. 620 / Act 2: "Der Hölle Rache kocht in meinem Herzen"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ea254804c1764a99e8bfcec5154a0f588614e5a7dde4334f2769bd247d0c909. 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/DEN961831134.
Die Zauberflöte, K. 620 / Act 2: "Tamino!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bd32e41b584913dfafacf4c2db489286df7e27d0eaa89b42fdde87e3d9072ff. 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/DEN961831137.
Die Zauberflöte, K. 620 / Act 2: "Soll ich dich, Teurer, nicht mehr sehn?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5be428d59a1ad55cf93a4e0f0bf8b75bbbda128a6d76b1799ed20bc10f937adc. 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/DEN961831144.
Die Zauberflöte, K. 620 / Act 2: "Ein Mädchen oder Weibchen wünscht Papageno sich!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66255d503a38cf7a81328b9725fcf4f250b3304be7e3ca6826616ddefe95860f. 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/DEN961831146.
Die Zauberflöte, K. 620 / Act 2: "Eine schreckliche Nacht!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa858e505f88b3a5e66ac351863bcd24ae0c5ee30b4d20f11dda04f9a48a9e8ec. 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/DEN961831127.
Die Zauberflöte, K. 620 / Act 2: "Tamino, dein standhaftes Betragen hat gesiegt."
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b4944a14496f12291d09fec7edd202fd972d080a35286e27b7ea112dcf35cc1. 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/DEN961831131.
Douglas Williams - the Complete Recordings 1928-1930
Made In Italy - The Hits Collection, Vol. 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90d6013f408e03c225a74ff9f34418ab2582e23db69d32033a53e791cd54ff1a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/DELM41303971.
Voices of Cornwall (Kernow, Through Story and Song), Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf07ab36f776d37943c4f2d7f0f61866f740a9ff55a228d8e86a99ebdc273cdf5. 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/GBGCA1700180.