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 0xc7b715ca22d1e810f26f402d70763fa6e5fbfa3c214d3ed63b933702b9467d96. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3ff5724f-1e8a-4390-897d-fdd1e3fc75d8.json and https://artists.proofprofile.net/proofs/artist/3ff5724f-1e8a-4390-897d-fdd1e3fc75d8.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Offenbach: Les contes d'Hoffmann [Recorded 1956]
Mozart: Don Giovanni, K. 527 (Sung in German) [Recorded 1955] [Live]
Die Walküre, WWV 86B / Act 1: Orchestervorspiel
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 0x129536b079ac779a19d9dc8e6bb90c1b92bceec259d5ecc9fff6ee0c695eda8a. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076141601 — a six-check JSON result.
Die Walküre, WWV 86B / Act 1: "Wes Herd dies auch sei...Kühlende Labung gab mir"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3727a310b2dfccd5a8b3763d8cce4271b683732c6acb44a643ed76707a9c60e. 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/GBF076141602 — a six-check JSON result.
Die Walküre, WWV 86B / Act 1: "Friedmund darf ich nicht heißen...Aus dem Wald trieb"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd870f4d44741c5dda6924e4d603271ad967b7bd79b33bee65d76f98ea0f20378. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076141604 — a six-check JSON result.
Die Walküre, WWV 86B / Act 1: "Ich weiß ein wildes Geschlecht"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc7307c5d34798d8ead2f4476fbb4c259726e5f97dce68c956e9e1f0c21ded42. 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/GBF076141605 — a six-check JSON result.
Die Walküre, WWV 86B / Act 1: "Ein Schwert verhieß mir der Vater"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x620d837e0e05dfa2152fe4c0698437273f1a808a5095939e76241ad3a0802c0b. Chain 2 (Bitcoin): anchored in block 960314 (2026-07-30T21:00:46Z), 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/GBF076141606 — a six-check JSON result.
Die Walküre, WWV 86B / Act 1: "Der Männer Sippe saß hier im Saal"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb480014595dbe0f3ef8411bfa7ec17f4b07c35bec9ff51d216aca1fb0cf0d3bd. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/GBF076141608 — a six-check JSON result.
Die Walküre, WWV 86B / Act 1: "Winterstürme wichen dem Wonnemond"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddffe51f747073c156906e50fe1f2156eaeeee1e70f6a983ef468158f8a1177f. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/GBF076141609 — a six-check JSON result.
Die Walküre, WWV 86B / Act 1: "Du bist der Lenz"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb657f8ced0cbd89c267427c16d3087610306a2cc01c34d986e109e0d473da9d. 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/GBF076141610 — a six-check JSON result.
Die Walküre, WWV 86B / Act 1: "Siegmund heiß ich und Siegmund bin ich"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3766a55c65911dd696107d9a386518a3778866b695e0ced28047568f0793885f. 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/GBF076141612 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5f7a35de9df8a0463f7ef284709f210f64f965b313cef0f002731ee9ab63516. 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/GBF076141613 — a six-check JSON result.
Die Walküre, WWV 86B / Act 2: "Nun zäume dein Ross, reisige Maid"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad24c9dff56f124516f75537ae9d90c75038829703059aef8d4d148a277cd647. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/GBF076141614 — a six-check JSON result.
Die Walküre, WWV 86B / Act 2: "Dir rat' ich, Vater, rüste dich selbst"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5b1c20d61fe68e179d6f267f1e84979df2c5a7d73379d3a6044a52c2d79b272. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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/GBF076141615 — a six-check JSON result.
Die Walküre, WWV 86B / Act 2: "Der alte Sturm, die alte Müh'"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ee836709bb9b26189eb8b0049b1bbfaa6e6fd27250958a0777469947768e0b4. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076141616 — a six-check JSON result.
Die Walküre, WWV 86B / Act 2: "So ist es denn aus mit den ewigen Göttern"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18b01d930b5cbc540fe46c1759cbe207bf0499b91b9329eaf936ec6df2d6979d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076141617 — a six-check JSON result.
Die Walküre, WWV 86B / Act 2: "In wildem Leiden erwuchs er such selbst"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7247d8b70d121acc8f7d87ea6d7c10fb703c6402378aa632b2fefc68dd0ab129. 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/GBF076141618 — a six-check JSON result.
Die Walküre, WWV 86B / Act 2: "Was verlangst du?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb60899bc722790da80114d2c563a716b8d6c07acab1551241c82fd4c3bf82f0f. 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/GBF076141619 — a six-check JSON result.
Die Walküre, WWV 86B / Act 2: "Als junger Liebe Lust mir verblich...Ein anr'res ist's"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7daeecd543566b0f1533f62334d69238cb3b88a31d309f9087d458ad3a2c70e9. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076141622 — a six-check JSON result.
Die Walküre, WWV 86B / Act 2: "O sag, künde, was soll nun dein Kind?...So sah ich"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc90368cff0a761a5825cdb2acc0b3ce02b461381902af0ce9ce805f0b9fff6a. 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/GBF076141623 — a six-check JSON result.
Die Walküre, WWV 86B / Act 2: "Siegmund! Sieh auf mich!...Du sahest der Walküre sehren"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde1215c31db0912ea2e333b1ff6f58ab3f9374d30126041aafa530f6ecad98c1. 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/GBF076141625 — a six-check JSON result.
Die Walküre, WWV 86B / Act 2: "Kehrte der Vater nur heim"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c1b5e5f5d48bff32b298b70dcfe87c287b34c37ee5cc4d76f78e3058f74339c. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076141627 — a six-check JSON result.
Die Walküre, WWV 86B / Act 2: "Geh' hin, Knecht! Kniee vor Fricka"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x451ffe67ab9be9d4ee580692c9f8b379d46890799fe8b4d12a854ad06445c836. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076141629 — a six-check JSON result.
Die Walküre, WWV 86B / Act 3: "Hojotoho! Heiaha!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf828e08e8d42877a6726e17f3de9c9bc4df7a7e0fea741fffe3395ac47185489. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076141630 — a six-check JSON result.
Die Walküre, WWV 86B / Act 3: "Nach dem Tann lenkt sie das taumelnde Ross"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d75d255f2356f768be07a0b2118441912692adffdceb8b333ba5f157cfbd7e5. 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/GBF076141631 — a six-check JSON result.
Die Walküre, WWV 86B / Act 3: "Schützt mich und helft in höchster Not"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb30749e3f7919780ac0a0ef2b5ea8cb80827cbb1caf97b939148ded29ac12942. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/GBF076141632 — a six-check JSON result.
Die Walküre, WWV 86B / Act 3: "Nicht sehre dich Sorge um mich"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59da5b6da9778fb6056dffbfe689c0a4fb34dab4ae8db49e94674bc3131261aa. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/GBF076141633 — a six-check JSON result.
Die Walküre, WWV 86B / Act 3: "So fliehe denn eilig und fliehe allein!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6039c1a46128ea6b7b9585415d471cb6131426de64882166cba065c8379d15ee. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076141634 — a six-check JSON result.
Die Walküre, WWV 86B / Act 3: "Steh' Brünnhilde! Wo ist Brünnhild'?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe925f9af53a9f4f68b67cb01e40974a07a3f8151061d4ff75dd0b8538ced4eb7. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076141635 — a six-check JSON result.
Die Walküre, WWV 86B / Act 3: "Hier bin ich, Vater"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbddd200f1e086faca98d7ce0917e8b879ae953434b0ac17d58eb49d909b7f8c. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/GBF076141636 — a six-check JSON result.
Die Walküre, WWV 86B / Act 3: "War es so schmählich?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a46ffa5ee6d6dc5c20ff4f4291d8db06f047e257dbffd6b0f0d1629694f7806. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076141637 — a six-check JSON result.
Die Walküre, WWV 86B / Act 3: "So tatest du, was so gern zu tun ich begehrt"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45c8e1f5ac6c35e4eb0d91d4fa0ad5e1d488eb85e7af0313ffec18c9c1408c06. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/GBF076141639 — a six-check JSON result.
Die Walküre, WWV 86B / Act 3: "Wohl taugte dir nicht...Deinen leichten Sinn"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8210952efc584d2e1666ec1f1c72752788ee6e9c6d3c205b1baaf914da3b2f4. 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/GBF076141640 — a six-check JSON result.
Die Walküre, WWV 86B / Act 3: "Und das ich ihm in Stücken schlug!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd425a386971a3b0371c5ddc01f78ad9619c072f9b797cfb24172cb1b948a4dae. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076141641 — a six-check JSON result.
Die Walküre, WWV 86B / Act 3: "Leb wohl, du kühnes, herrliches Kind"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa31124b560afa38c359849d0c62cd4af84993627eeb2d8f814b994ea804b8c06. 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/GBF076141642 — a six-check JSON result.
Die Walküre, WWV 86B / Act 3: "Der Augen leuchtendes Paar"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec21c300ed1896eb7a730a97a5a1a2d120efbc445a559a40089f6f75181ac744. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076141643 — a six-check JSON result.
Die Walküre, WWV 86B / Act 3: "Loge, hör! Lausche hieher!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc74101d923db91621c4f92e4e111e5b9e875a4fce49f05a743cc3fe5254d94a. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/GBF076141644 — a six-check JSON result.
Brahms: Ein deutsches Requiem, Op. 45 (Remastered)
Mozart: Le nozze di Figaro, K. 492 (Live)
Mussorgsky: Boris Godunov (Sung in English) [Live Recording 1956]
Mozart: Don Giovanni, K. 527 (Recorded 1959)
Mozart, Tchaikovsky & Others: Opera Arias
Grosse Sänger unseres Jahrhunderts: George London (Live)
Wolfgang Amadeus Mozart: Le nozze di Figaro (1950)
Mozart: Don Giovanni, K. 527 (Recorded 1954)
Singers of the Century: George London & The Robert Shaw Chorale – Broadway Lights (Remastered 2016)
Schubert: Heine-Lieder - Ibert: Chansons de Don Quichitte - Mussorgsky: Lieder und Tanze des Todes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d577188bf776505fb83f38dc8a7a51749c463e5ea71012344a40a079f219f32. 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/ITCC51102908 — a six-check JSON result.
Tchaikovsky: Eugene Onegin, Op. 24, TH 5 (Sung in German) [Live]
Tchaikovsky: Eugene Onegin, Op. 24, TH 5 (Recorded 1954)
Leopold Stokowsky conducts Mahler Symphony No. 8
Klemperer in Cologne, Vol.14: Mozart, Don Giovanni (Historical Recording)
Wagner: Der fliegende Holländer, WWV 63 (Live)
Beethoven: Symphony No. 9 in D Minor, Op. 125 "Choral" (Live)
Klemperer Live: Cologne Vol. 5 — Concert 17 October 1955 (Historical Recording)
Heroes and Heroines of Bayreuth: George London (1958-1962)
Famous voices of the past - George London: Opera and Songs
Bach: Cantata, BWV 202 - Mahler: Kindertotenlieder
Kindertotenlieder: Nun will die Sonn' so hell aufgehn
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb4362c66cc49613779e47534a5b62def3bae3332e5cdeab5ae24b10b31845b0. 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/USA370918099 — a six-check JSON result.
Wagner: Der Fliegede Holländer, Die Meistersinger Von Nürnberg, Die Walküre, Parsifal, Wesendock Lieder
Famous voices of the past - George London
Hai gia vinta la causa (Le nozze di Figaro)
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Les Contes d'Hoffmann, Act II: Belle nuit, ô nuit d'amour (Barcarolle)
Orchestre De La Société Des Concerts Du Conservatoire
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Das Rheingold, Scene 2: Wotan! Gemahl! Erwache! – Nur die Wonne schafft dir - 2012 Remaster
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Das Rheingold, Scene 2: Sanft schloß Schlaf dein Aug' - 2012 Remaster
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Das Rheingold, Scene 2: Zu mir, Freia! - 2012 Remaster
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Das Rheingold, Scene 2: Endlich, Loge! - 2012 Remaster
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Das Rheingold, Scene 2: Immer ist Undank Loges Lohn! - 2012 Remaster
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Das Rheingold, Scene 2: Ein Runenzauber zwingt das Gold zum Reif - 2012 Remaster
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Das Rheingold, Scene 2: Hör', Wotan, der Harrenden Wort! - 2012 Remaster
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Das Rheingold, Scene 2/3: Auf, Loge, hinab mit mir! – Hehe! Hehe! - 2012 Remaster
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Das Rheingold, Scene 3: Nibelheim hier - 2012 Remaster
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Das Rheingold, Scene 3: Nehmt euch in acht! - 2012 Remaster
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Das Rheingold, Scene 4: Rheingold! Rheingold! Reines Gold! - 2012 Remaster
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Das Rheingold, Scene 3: Vergeh, frevelnder Gauch! - 2012 Remaster
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Das Rheingold, Scene 3: Ohe! Ohe! Schreckliche Schlange - 2012 Remaster
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Das Rheingold, Scene 4: Da, Vetter, sitze du fest! - 2012 Remaster
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Das Rheingold, Scene 4: Abendlich strahlt der Sonne Auge - 2012 Remaster
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Das Rheingold, WWV 86A / Scene II: Endlich, Loge! - 2022 Remaster
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Das Rheingold, WWV 86A / Scene II: Auf, Loge, hinab zu mir!... Hehe! Hehe! - 2022 Remaster
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Das Rheingold, Scene 4: Gezahlt hab' ich; nun lasst mich zieh'n! - 2012 Remaster
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Das Rheingold, Scene 4: Bin ich nun frei? - 2012 Remaster
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