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 0xd1c361752b12c2ab1a7bc783177d68fa8a0883f30d7124aa9f36c054db4f69b1. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/18f48455-8b6c-4be3-9979-b2fc0918dce1.json and https://artists.proofprofile.net/proofs/artist/18f48455-8b6c-4be3-9979-b2fc0918dce1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bach: Saint Matthew Passion [Matthäus-Passion], Vol. 1 [1950]
Kienzl: Der Kuhreigen, Op. 85 [Recorded 1951]
Otto Nicolai: Die lustigen Weiber von Windsor (The Merry Wives of Windsor) [Recorded 1958]
Pictures at an Exhibition (Orch. Ravel): Promenade 1 - Recorded 1966
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 0x0a9a4672c606974bf4367f824b047f4176a0eeb3964e5590b1b022857bc341da. 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/DEF056630302.
Pictures at an Exhibition (Orch. Ravel): I. Gnomus - Recorded 1966
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51ad807daa3432dcb4dc7b9a575b371b2211c5ea99c37e50a16f2f2a366d7096. 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/DEF056630303.
Pictures at an Exhibition (Orch. Ravel): III. Tuileries - Recorded 1966
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b2730f397a5cde25d2348dfd7f7ce6f45d814f79da69602210e4b772ca75f28. 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/DEF056630307.
Pictures at an Exhibition (Orch. Ravel): VII. The Market at Limoges - Recorded 1966
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d1ea748c4c3bba74213c477b25e2b1bd7251d21736ffdb9381ec67b7f3c20fc. 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/DEF056630312.
Pictures at an Exhibition (Orch. Ravel): VIIIa. Catacombae "Sepulcrum romanum" - Recorded 1966
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b9ba66d040460af18402c6527444382eaef5073cdacac3182daf0c724fae777. 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/DEF056630313.
Pictures at an Exhibition (Orch. Ravel): IX. The Hut on Fowl's Legs "Baba-Yaga" - Recorded 1966
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ae2b25199e4146fa05685962df50f27427bb57a691fe25554621fec61f1315b. 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/DEF056630315.
Pictures at an Exhibition (Orch. Ravel): X. The Great Gates of Kyiv - Recorded 1987
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3014ce3a8b7649a6e135041094e5a6c7116c6906c7a057856884619ef3f216b0. 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/DEF058630415.
Der Rosenkavalier, Op. 59 / Act 1: Introduction
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a8fad18f58523c1f996e6566879487aa91d8525aff61b651163e82d0eb15426. 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/GBF076940301.
Der Rosenkavalier, Op. 59 / Act 2: Introduction - "Ein ernster Tag"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4befb998f788ce8c85fe62593f88bb6a3726adb1e9189ff73627180682507b53. 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/GBF076940316.
Der Rosenkavalier, Op. 59 / Act 1: "Wie du warst!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6b11e5b2c918ccae5d6abf378ba9526e1af52499fc64807cd71379c1c0f6c85. 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/GBF076940302.
Der Rosenkavalier, Op. 59 / Act 2: "In dieser feierlichen Stunde"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb0c59e7a00dbcff2c3f60d46e7dee80453c3ddc28c297a74246b1ebc4d9848e. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/GBF076940317.
Der Rosenkavalier, Op. 59 / Act 3: "Hab'n Euer Gnaden noch weitre Befehle?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fb22e27138833450f005f01e1c3d2bc1dc25b16fb19f2cd1d3498fdb00df0f4. 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/GBF076940331.
Der Rosenkavalier, Op. 59 / Act 3: "Nein, nein, nein . . . Die schöne Musi!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbeb68a1c8540277627833c591f16310c23e96899cb1a8adc8dae0ff93664fd6. 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/GBF076940332.
Der Rosenkavalier, Op. 59 / Act 2: "Ich kenn' Ihn schon recht wohl"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa2b7f91e9bebc310f0e5ee814aa6d73ba75444e9648fa7495bec54e8f272d6f. 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/GBF076940319.
Der Rosenkavalier, Op. 59 / Act 3: "Da und da und da und da"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbea9d709cc300af35a413032aeb529857bc0603a7c526cd853689ec58c93c305. 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/GBF076940334.
Der Rosenkavalier, Op. 59 / Act 2: "Eh bien! Nun plauder Sie . . . Wir kommen über Nacht"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9df083b8ee05f5ba849ce5bafe96e2e822bd3f6954b3f936b76b720949c33b95. 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/GBF076940321.
Der Rosenkavalier, Op. 59 / Act 3: "Zur Stelle! Was wird von mir gewünscht?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5ae906fe947d1e012914a82fb10e83b07b773c961318dc0ac85e769e5266713. 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/GBF076940336.
Der Rosenkavalier, Op. 59 / Act 3: "Sind desto eher im klaren"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16f82dd234d9bce0c753f51021e2437fee061aaa13cb28a09af0d76eac0fddaa. 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/GBF076940337.
Der Rosenkavalier, Op. 59 / Act 1: "Di rigori armato il seno"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf30948841b68df43db4dbd5da640f13974a858fedeae34e9a7e94c0f48622722. 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/GBF076940309.
Der Rosenkavalier, Op. 59 / Act 3: "Bin glücklich über Massen...Muss jetzt partout zu ihr"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe8d2fbb8078cf90973fd30e8ae7157bb7bfb5f65bc947c473fa6a1d91bbb602. 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/GBF076940338.
Der Rosenkavalier, Op. 59 / Act 2: "Herr Schwiegersohn! Wie ist ihm denn?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x799c8777067dafadca85e14ff65610434337725b32039b81b7f1c1c516365834. 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/GBF076940325.
Der Rosenkavalier, Op. 59 / Act 1: "Mein lieber Hippolyte"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11b83448fb71f4dff5576615bd3ecebb64068f8f0dfa7d94ac5145d486f16350. 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/GBF076940311.
Der Rosenkavalier, Op. 59 / Act 2: "Blamage! Mir auseinander meine Eh'"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x895bff6995649619208e8f895d86bfa6ba4941cc70e0bb1766cb3f57ca604539. 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/GBF076940326.
Der Rosenkavalier, Op. 59 / Act 1: "Da geht er hin"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f105f249e1089c0cc2fad9f57bd1878ff1baae7aaf306170c02bb40555e558d. 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/GBF076940312.
Der Rosenkavalier, Op. 59 / Act 1: "Ach! Du bist wieder da!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53476cee691edd2e4ce991148284a2484cbfec5f6f25ce12a2467ddc75e0503e. 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/GBF076940313.
Der Rosenkavalier, Op. 59, TrV 227 / Act III: "Marie Theres'!" - "Hab mir's gelobt, Ihn lieb zu haben"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02fb696ab92d73d96684372c9f069a4299708560cdb7ce054693edbff1321bbb. 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/GBF076940342.
Der Rosenkavalier, Op. 59 / Act 1: "Die Zeit ist...Mein schöner Schatz...Ich werde jetzt"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43433e9db17c137a1b157c019d9083eb6f4fa5fca2bc99d8edc449bd8229cac4. 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/GBF076940314.
Der Rosenkavalier, Op. 59 / Act 3: "Ist ein Traum, kann nicht wirklich sein" - "Spür nur dich"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0a08f4922812bb6a7bf2349fc756a5d5128234c273c190bdbe43516679d6afb. 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/GBF076940343.
Der Rosenkavalier, Op. 59 / Act 1: "Selbstverständlich empfängt mich Ihro Gnaden"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24ca91d705606b95b5bfa70c29b202c47ef12b3990d0cf1a834cb7e12b446e7e. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/GBF076940305.
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
Der Rosenkavalier, Op. 59 / Act 1: "Ich hab' ihn nicht einmal geküßt
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe318ed59e50046b2b419d44a6f93526d4b0e6b42d00d6f9113bca066356fd601. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/GBF076940315.
Elektra, Op. 58, TrV 223: "Wo bleibt Elektra?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb5cd82bddfcbe9113df0db13a4c748e67fb41b86f8a4c41275f5243c3501625. 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/GBF076740101.
Elektra, Op. 58, TrV 223: "Allein! Weh, ganz allein."
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85a453eca535ce54cd5bd8b3349bd9753c92ce5c987fd032491e3e65e0f7dce7. 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/GBF076740102.
Elektra, Op. 58, TrV 223: "Platz da! Wer lungert so vor einer Tür?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb444a8eba88f00755ba7090946477bc38a6396e25973a9c0c9b3c1f20dd42eb6. 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/GBF076740114.
Elektra, Op. 58, TrV 223: "Nun muß es hier von uns geschehn."
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf543be13483396e00ffe05e791a5e9a311f4b771d276298167c8b82705b367fe. 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/GBF076740115.
Elektra, Op. 58, TrV 223: "Ich kann nicht sitzen und ins Dunkel starren"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76d4ed4d284b56182a8454a71ea936c71147cee7303809257605bb95e4b72234. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/GBF076740104.
Elektra, Op. 58, TrV 223: "Es geht ein Lärm los."
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c6ea546bf931480c5957883ea98172357a4206f2273b8607446bd69b38ab975. 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/GBF076740105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd1ef272ece357d126ae19f3ff9348ab524598ac346e7b90cd5f2a95e4a212cc. 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/GBF076740120.
Elektra, Op. 58, TrV 223: "Ich habe keine guten Nächte."
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36e4e7c676f931b4afb307fac9694dc4513f403e105e6061842c2c6613bff992. 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/GBF076740109.
Elektra, Op. 58, TrV 223: "Du wirst es tun? Allein? Du armes Kind?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe23b82a6ab05d78448da8c0c84de1458d1f8d640b8aad89a8b025b55291b1eff. 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/GBF076740121.
Elektra, Op. 58, TrV 223: "Wenn das rechte Blutopfer unterm Beile fällt"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e04770ed9857082fa89ff261e47a3d2d56f421cc6c267a574c6430a5169808d. 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/GBF076740110.
Elektra, Op. 58, TrV 223: "Was bluten muß? Dein eigenes Genick"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae5dedb8edd9947555e394f0691a6fc1686623f84bf48c154a3d6753914befb4. 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/GBF076740111.
Elektra, Op. 58, TrV 223: "Ich habe ihm das Beil nicht geben können!"
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Elektra, Op. 58, TrV 223: "Es muss etwas geschehen sein"
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Elektra, Op. 58, TrV 223: "He! Lichter!"
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Elektra, Op. 58, TrV 223: "Hörst du denn nicht"
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The 99 Most Essential Mozart Masterpieces
Le Nozze di Figaro (The Marriage of Figaro), K. 492: Overture
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Bach: Saint Matthew Passion [Matthäus-Passion], Vol. 2 [1950]
Bach: Saint Matthew Passion [Matthäus-Passion], Vol. 3 [1950]
Nestroy klassisch, Vol. 2 - Tannhäuser (Gesamtaufnahme)
Haydn: Missa Brevis & Missa Intempore Belli
Dokumente einer Sängerkarriere - Gottlob Frick III
Auber: Le cheval de bronze (Sung in German)
Boris Godunov (Arr. Rimsky-Korsakov), Prologue: Nu, shtozh vy?
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Boris Godunov (Arr. Rimsky-Korsakov), Prologue: Na kovo ty nas pokidaesh
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Boris Godunov (Arr. Rimsky-Korsakov), Prologue: Pravoslavnyye
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Boris Godunov (Arr. Rimsky-Korsakov), Prologue: Slava tebye
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Boris Godunov (Arr. Rimsky-Korsakov), Prologue: Da zdrastvstvuet tsar Boris Feodorovich! (Coronation Scene, Pt. 1)
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Boris Godunov (Arr. Rimsky-Korsakov), Prologue: Mityukh, a Mityukh, chevo oryom?
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Mozart: Missa brevis, K. 220, Exsultate jubilate, K. 165 & Benedictus sit Deus, K. 117 (Mono Version)
Berlioz: Benvenuto Cellini (Sung in German)
Eugen d'Albert - Tiefland [1952], Vol. 2