Victor Conrad Braun (August 4, 1935 – January 6, 2001) was a Canadian baritone who had a major international performance career in concerts and operas that lasted more than 40 years. While he was an a
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 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 0xe643a9f69b74ed3556772ebbf55fea0d748c49104fa29569b76d5146136ee259. Chain 2 (Bitcoin): anchored in block 953717 (2026-06-15T01:05:33Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8719684b-3ac7-4b90-9409-662812764238.json and https://artists.proofprofile.net/proofs/artist/8719684b-3ac7-4b90-9409-662812764238.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Tannhäuser, WWV 70 - Paris version / Act 1: Overture . . . "Naht euch dem Strande"
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 0x2cf04baa3d29b88d4ce9deeef2410f7446498ae9bb5e892d8e676d540f25adec. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741501 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 1: "Geliebter, sag', wo weilt dein Sinn?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5798cff76266cfd9c99751d1ad124c26ced6feab7c04dc7454edec215c4b0589. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741502 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 1: "Dir töne Lob! Die Wunder sei'n gepriesen"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c411ecb66b9caaa76c01e8ddd17e2090a15e4b2a88f8a81bac185fa69757451. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741503 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 1: "Geliebter, Komm! Sieh dort die Grotte!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32d189e803957c7a7749cd8b6905c0e6f9f7651a0d721bd8855fb713f88822b6. Chain 2 (Bitcoin): anchored in block 960113 (2026-07-29T13:38:16Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741504 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 1: "Stets soll nur dir, nur dir mein Lied ertönen"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b606360ebb3f08a7ab94fcb13ac1cc38624b96d2fa29040b377c7ac4f9ec7e0. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741505 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 1: "Zieh hin, Wahnbetörter, zieh hin! Geh!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefddba7bd6e4e74e4bc909b860cee9ed4e058a29b703b4e8e641166244aad82c. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741506 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 1: "Frau Holda kam aus dem Berg hervor"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef2db141a73f3437d3b2258cdfae8b31be6f79856e21552800bdfd24d20b1cb8. Chain 2 (Bitcoin): anchored in block 957034 (2026-07-07T11:52:37Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741507 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 1: "Zu dir wall ich, mein Jesus Christ"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4acb8a18f01370e1f97ca21e4c240495a2ceeed2655a26320895fb944fa1baf0. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741508 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 1: "Wer ist der dort in brünstigem Gebete?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5f72d765e568e071f4c0d1e0c08812045d72321f31450e6f050da76147a257f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741509 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 1: "Als du in kühnem Sange uns bestrittest"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcac3f4bb9a9295def430ae59b26b128b94b99fb03a5a20bf80f8358684944794. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741510 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 2: "Dich, teure Halle, grüß ich wieder"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cbfe2573ec53bd32b2580574137fa90be32582575998a253689274babd3fdbf. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741511 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 2: "O Fürstin!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca10ad2eb51e83736a23b90cf394ae42db331849d94c1ccd2795488bf2895d29. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741512 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 2: "Schon nahen sich die Edlen meiner Lande"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e1eebda2cfa379a55e22273cad1ea097a7ec18a56b3a6e01e9492797baf685d. Chain 2 (Bitcoin): anchored in block 960223 (2026-07-30T07:51:46Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741513 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 2: "Gar viel und schön ward hier in dieser Halle"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58de04c7ac5f2b5a79e938bebaeb23f0c0da7553b39c44daacf65057d2f4cc3b. Chain 2 (Bitcoin): anchored in block 960181 (2026-07-30T00:53:20Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741514 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 2: "Blick ich umher in diesem edlen Kreise"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1607c36ae3d8a12ca379bce360436b7c0f77055f70b5c96d53106e97d462224. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741515 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 2: "O Wolfram, der du also sangest"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda62383e068ef78efb7c09bd93c84f82e7713a024de753fff348136d73408b2a. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741516 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 2: "Heraus zum Kampfe mit uns allen"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5b09e4e5561f8c6b47d5757bdcd105e2861bc333f0a3497c71166a38ca6cdc5. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741517 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 2: "Ha, tör'ger Prahler Biterolf!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb5d53a7c5614d76b37823d41f695713878ec556d2e8880b8e5582caafacb3a1. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741518 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 2: "Dir, Göttin der Liebe, soll mein Lied ertönen!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xceab3e9f34ad0eb8136da4abb54aab596a331f86a82bdadd73d0164fdf9b887e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741519 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 2: "Ha, der Verruchte! Fliehet ihn!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdda5dec94e8a52df05c05414cab76a09991ff824313b89eaa3afee5fd850ee03. Chain 2 (Bitcoin): anchored in block 960277 (2026-07-30T16:10:47Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741520 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 2: "Zurück von ihm! Nicht ihr seid seine Richter!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53ef149101f9980f1665402619629be60063147ee0aa93dc95b15a063fc4e20d. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741521 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 2: "Zum Heil der Sündigen zu führen"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f723a12c70a40ca2a8035662a4542fd1581f9871ff3cca63a8e286c24540600. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741522 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 2: "Ein furchtbares Verbrechen ward begangen"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a2ad58dbd8e5adb31d421cdf58ef37c57dc02f70b7c86a652618c988a4d8cf6. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741523 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 2: "Mit ihnen sollst du wallen"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x247865dc8cd3ad9a429197b7e9a61dfa61a1df685031e75639842b39e6789987. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741524 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 3: Prelude
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3928c88c6009bb6c86a5e40c55e03209d1a4354d6b3d47e87773faf71d957f4b. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741525 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 3: "Wohl wußt' ich hier sie im Gebet zu finden"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f2c3463f299b11fab32ddfcd1ba547cf1c2e9658fba33f877c549b024739662. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741526 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 3: "Beglückt darf nun dich, o Heimat" (Pilgrims Chorus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3084c2f9673fe3e509399338be1ad8260b03ac65508428f206cecf72a4ac15e9. Chain 2 (Bitcoin): anchored in block 960113 (2026-07-29T13:38:16Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741527 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 3: "Allmächtige Jungfrau, hör mein Flehen!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x761e66e9cbd5fb8b76c4914f2cf8035bdf0f7ac6fef17ff0b91a0a6a6af9e1a6. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741528 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 3: "Wie Todesahnung, Dämm'rung deckt die Lande"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f260d5b9a863824bdfb6131325df4ad4aea02501da287af0bfdb50d48c51310. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741529 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 3: "O du mein holder Abendstern"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x116c4ebd167c3ef667fd618d12b7102c81095f067d2ba1bfb173ca2d49fe6ac4. Chain 2 (Bitcoin): anchored in block 960268 (2026-07-30T14:53:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741530 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 3: "Ich höre Harfenschlag - wie klang er traurig"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa61e5136a047ae19d23decbc866b422c9fb43a493a3961142ac3bfd7309b10a. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741531 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 3: "Inbrunst im Herzen, wie ein Büßer noch"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79dae5a10a6b4546b1575e84131bb289067220ba35b5aac614e33f043b3a0d89. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741532 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 3: "Dahin zog's mich, wo ich der Wonn und Lust"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7b01081274b8bfab4c6f5efaa0e485cf64a434a28e9e89b33e5a5171d5ae53a. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741533 — a six-check JSON result.
Tannhäuser, WWV 70 - Paris version / Act 3: "Willkommen, ungetreuer Mann!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe89a6a4dc8ba470ccebb9ba3e255399739517931876a7a2b1c328d256ca9e94f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071741534 — a six-check JSON result.
Best of Opera - Die 50 größten Opern-Arien
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd89431311266e38f7d20c277b4a9aa056be3be8f79ce6b952556f11684b0e016. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077040127 — a six-check JSON result.
Tannhäuser (Paris/Vienna Version), Act III: Beglückt darf nun dich, o Heimat "Pilgrims' Chorus"