Franz Mazura (22 April 1924 – 23 January 2020) was an Austrian bass-baritone opera singer and actor. He performed at the Bayreuth Festival from 1971 for 25 years and at the Metropolitan Opera for 15 y
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 0x3c4d76ad29f0c42aae1afb483688d630aca1aa215378e0df9c024052f675372c. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9ab8df77-9749-4e58-a9f2-1bea6fe042ca.json and https://artists.proofprofile.net/proofs/artist/9ab8df77-9749-4e58-a9f2-1bea6fe042ca.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
7 frühe Lieder (1928 Orch. Version): No. 1, Nacht
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 0x99a1272a10ce23b45578973369b874bd46d675a4c5472fde34200355d7d746dd. 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/DEF059305351.
Chamber Concerto for Piano, Violin & 13 Wind Instruments: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab75c897ea85d6d9ab84c6e0a3ab193908268aef251c811af61b0cd97579dafc. 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/DEF057700652.
Lyric Suite For String Quartet (1926): II. Andante amoroso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e1022c91e6dded217a4d876fb9805e0f8866e1a90a01b58c33730128d03c92a. 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/DEF056802092.
3 Pieces for Orchestra, Op. 6: No. 3, Marsch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e9e2fc5be0fc06c28742f65bc6fc63b452661cda77891e4e976418a0fa49063. 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/DEF059205523.
Chamber Concerto for Piano, Violin & 13 Wind Instruments: III. Rondo ritmico con introduzione
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23c3c18d71a121c5378e83ae3cfc1c164b969e8b2bba986a64bf23ab628e739f. 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/DEF057700653.
Lyric Suite, 3 Pieces for String Orchestra: I. Andante amoroso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf79f887c241fdadee1250e0526cd8d5eeddccb952998ab6822b50e13f12f0135. 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/DEF059503131.
Lyric Suite, 3 Pieces for String Orchestra: III. Adagio appassionato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecb2f2cf1509e492a6ba43bb10a50dc58b1aed9f0c0c12bd08acf65a95f56e4a. 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/DEF059503133.
Violin Concerto "To the Memory of an Angel": I. Andante - Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ad47fdf4f54d56c07edb59e4f819ca68cb88035f5a0afd33b688465573197e7. 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/DEF059202071.
Four Pieces For Clarinet And Piano, Op. 5: 3. Sehr rasch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe13a4fa0ee73613a3381b1d797ddd7114d5ae452fa7f65fe23e33b0f743b1c87. 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/DEF059404043.
Violin Concerto "To the Memory of an Angel": II. Allegro - Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe87c57da99576bb7042a8dce83d6b25c048abde9ffaa696929769f25a764fbcb. 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/DEF059202072.
Four Pieces For Clarinet And Piano, Op. 5: 4. Langsam
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b38b436241f8cb567a952d0dc4d51f8eb4ec94f06dff5206490e9f107017753. 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/DEF059404044.
Chamber Concerto for Piano and Violin with 13 Wind Instruments: 2. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x954d07341cba7960c1bd127d84bcda4722e4ffb93c456c776570579588be481b. 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/DEF059404070.
Sieben frühe Lieder: III. Die Nachtigall
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce25196961f22960c98410ff1bbfb875fb1cd0f31530f4328f32a4d040f24b19. 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/DEF059104923.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69f2bb155896c04f7cb07ead6e66e456b7445eb26ea7ed24dd815e13b9f5390b. 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/DEF059104924.
Lulu, Prologue: Hereinspaziert in die Menagerie
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0755a84003ef864d20ec7a5f4aa3810f6a63e843a7a7bc2bcb8f0410fd65a90b. Chain 2 (Bitcoin): anchored in block 957043 (2026-07-07T13:52:39Z), 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/DEF057930909.
Lulu, Act III (Compl. Cerha): Meine Herrn und Damen! – Der Staatsanwalt bezahlt demjenigen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd31559e4da276c69c4ef766ff67f0a686c7834559fa2fdfb95b2095c0f2d6adb. 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/DEF057930924.
Lulu, Act II: Gott sei dank, dass wir endlich – Hast oben abgeschlossen?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed8977941699855d80ec1c04dbae1aa646c43b38d6e12e546ff3a01af92b30f2. 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/DEF057930905.
Lulu, Act II: Die Matinée wird, wie ich mir denke
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30f74f8ef976d36895f536d5ff0b0e1457dd94e3bcaa60767900b6a00048647a. 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/DEF057930917.
Lulu, Act I: Den hab' ich mir auch ganz anders vorgestellt
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x459046eebfd3ad23f6c9dbbdf617aaadc22aab4d9d6fea21de10bcd5e8bcc654. 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/DEF057930911.
Lulu, Act I: Was tut denn Ihr Vater da? Sonata. Wenn ich ihr Mann wäre
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a0f32c2067a20b8daa6603b66a7b9a69ca654cd0ea0af984d8873abe425e239. 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/DEF057930912.
Lulu, Act I: Ich darf mich jetzt hier nicht sehen lassen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba92152544cd8171b3f1fd32b58975eb4d5d3ee6cac91094034a8f80e0697a90. 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/DEF057930913.
Lulu, Act I: Seit ich für die Bühne arbeite Noch etwas, bitte
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2985e6d8b65f701bf0d93c129bc5c8163d11e7fc099622545f21d1e007e825c. 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/DEF057903092.
Lulu, Act I: Über die liesse sich freilich – Das hättest du dir besser erspart
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc890002111b6a9ffb11b4f7e9a9e69c09eafe831d67d943ff90039b1061c3ba. 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/DEF057930914.
Lulu, Act II: Sie glauben nicht – Könntest du dich für heute nachmittag
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45486d5c66d04a876b41aa35edbacc942eea7203ca300cad84f394fb1a5ffe6a. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/DEF057930916.
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
Lulu, Act I: Darf ich eintreten? – Mein Sohn! – Wie ist dir?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38e5f0a15123b78cdf670a719af68a2f64ccf9a24e5cf9140840117e242b8737. Chain 2 (Bitcoin): anchored in block 960225 (2026-07-30T08:04:30Z), 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/DEF057930901.
Lulu, Act II: Sein Vater! – Du Kreatur, die mich durch den Strassenkot
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3193a7f9c2679346cfedf328cdb3ef33bb0dc74afbec828b35991d71e93bdc65. 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/DEF057930918.
Lulu, Act I: Wie kannst du die Szene gegen – Sehr geehrtes Fräulein
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed6bc5bc7f57d3c10087d057f1240baa9880300c14d840bcb1a557dc2e5eb6d7. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/DEF057930915.
Lulu, Act III (Compl. Cerha): Das ist der letzte Abend – Lulu! Mein Engel!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c9ed52751d2a9c24c3663fc9813570608dee13571ab56734a22f8e842864e2e. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/DEF057930907.
Ullmann: Der Kaiser von Atlantis; Hölderlin-Lieder
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffa3fe5537db15812364f88f2ed72dbd56c2b4c54b52a9ce81dd9ae04bec7ee4. 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/GBF079340501.
Der Kaiser von Atlantis: Laß sein! Was singst du da
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9521ca29d55cbcb44d04a6fbe22365cc140af9675d2a33eb608f82c18bb97f46. 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/GBF079340504.
Der Kaiser von Atlantis: Hallo, hallo! Achtung! Achtung!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x023842c2904ff9ef38f8a830a61ae9954d576c41da6732fe02df6aad75520317. 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/GBF079340507.
Der Kaiser von Atlantis: Wie spät ist es - Bin ich wahnsinnig
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69fc73f0f319aebae9a9e5684c2ed154f44c6bbd91a052118004cfbb42f3c149. 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/GBF079340509.
Der Kaiser von Atlantis: Komm, Tod, du unser werter Gast
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffb915aad5100a411a7ec52de1631dfd64021fe32cc05cbb8ae0f781d32c87fc. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/GBF079340520.
Das Rheingold, Scene 1: Lugt, Schwestern! Die Weckerin lacht in den Grund
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfee307e7931be41319b5615d541c0d28c7f4723a50fe195520d88243d112af1. 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/NLA508109605.
Das Rheingold, Scene 4: Rheingold! Rheingold! Reines Gold!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3932c316927e6cfab287aa62e3f5b4f0281d796cd7f965595e204ae1bf7a9b44. 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/NLA508109638.
Götterdämmerung, Act III Scene 2: Brünnhilde! Heilige Braut! "Siegfried's Death"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe93fba38535bf4e3faf7c8df0d84e1fd91e8828dd14fe82b350c112ce3c604ca. 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/NLA508109737.
Götterdämmerung, Act III Scene 3: Zurück vom Ring!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6275cf0889aca0b0b346129d6440744698c5b1dba62d19a78d7ca1674d43e8f8. 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/NLA508109744.
Parsifal / Act I: "He! Ho! Waldhüter ihr"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2564959a60c01f99c836f267c258ac4da85b79d998a5d0966cb1d32036c7c3bd. 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/NLA508532002.
Stabat Mater, P. 77: I. Stabat Mater dolorosa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06cb717788cca8d26658709ad813b0c49e35905c932c497e6b93203da74602c5. 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/FRZ119702270.
Das Rheingold, Scene 1: Garstig glatter glitschriger Glimmer!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd565a68f7ca7ae807c2178517afaea35e185cdbe2d7ce3eb36f22ffd9dab734. 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/NLA508109603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50cc9554ca02354ed37e58e8bf4c6d23b8eee38442c4cb8ce336d82f8f3c8aa3. 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/NLA508109612.
Das Rheingold, Scene 2: Immer ist Undank Loges Lohn!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x090a488fcdcb8811125c726e8887e23f0c4f5ab4344d1166c5caeb475b875596. 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/NLA508109613.
Das Rheingold, Scene 2: Taugte wohl des goldenen Tandes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2d92f7d1b35193f01391f7206904ec6f4517f49f3ca55605216baa54b322994. 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/NLA508109614.
Friedrich Cerha: Über den dritten Akt von Alban Bergs „Lulu“
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ca170f84c34d2e0fe1a4553db3a4b7ace7d3fb20a7b1623839b21b14c38ae42. 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/DEF057939322.