Petra Lang (born 29 November 1962) is a German opera singer. Beginning as a mezzo-soprano, from 2012 a soprano, she is known for her interpretation of music by Richard Wagner and Gustav Mahler. She ma
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 0x5070cecbb60e1cd969aee032ae1d40ada38293adfdee720a4af05867112f8e9e. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d142abcf-a4af-40c8-a232-9210a80c0223.json and https://artists.proofprofile.net/proofs/artist/d142abcf-a4af-40c8-a232-9210a80c0223.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Les Troyens, Op. 29, H 133, Act IV: No. 29. Chasse royale et orage (Pantomime)
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 0x47b477fbfb0d16766c2c4f84968b9ea1e60364e1b441fce37c8b63c9e3510a61. 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/GBDGQ0001035.
Les Troyens, Op. 29, H 133, Act I: No. 2. "Les Grecs ont disparu!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cac2004b718876409ad4dce1929665769521926cce716c55c51aaac5b796bea. 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/GBDGQ0001002.
Les Troyens, Op. 29, H 133, Act IV: No. 30. "Dites, Narbal, qui cause vos alarmes"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x007072540e7e1e5f8f580ffc73c14b562a4c86331a5288dc08bb5b492f1f9c0a. 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/GBDGQ0001036.
Les Troyens, Op. 29, H 133, Act I: No. 2. "Malheureux Roi!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b93bb0fb1dea9cd6f92d6c033354e035904426e45ec7172cbf754be3c673dce. 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/GBDGQ0001003.
Les Troyens, Op. 29, H 133, Act II: No. 12c. "O lumière de Troie! ... Ah! Fuis, fils de Vénus!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb34dc11d8efbc1b7d675e5c44d6773ac3aacded076b6c1fe0c56c1a536f57be. 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/GBDGQ0001016.
Les Troyens, Op. 29, H 133, Act I: No. 3. "C'est lui!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc06ae242e3682279234970a3c492eb9c1317d6a00c56b390d90d6fae5cd27bb8. 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/GBDGQ0001004.
Les Troyens, Op. 29, H 133, Act IV: No. 31c. "De quels revers menaces-tu Carthage" (Air et Cavatine)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6afd980d07cd96734d163f1f00922b811249c9b00a949f9362f6a57cd6a93b4. 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/GBDGQ0001039.
Les Troyens, Op. 29, H 133, Act IV: No. 33a - Pas des Almées (ballet)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cb86823b08948654ce90bbf5232fe63488d00603891156b96f62419fb34fce9. 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/GBDGQ0001041.
Les Troyens, Op. 29, H 133, Act III: No. 17. "De Carthage les cieux"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0caf1f3416f059b340b96de5b9617ac1fab169e41a73a215e8f001c8e144d9b0. 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/GBDGQ0001021.
Les Troyens, Op. 29, H 133, Act IV: No. 33c - Pas d'esclaves Nubiennes (ballet)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7147b1d3bfc32477387fb03aac06c709fd1a446184049d8b4e623bc614cb7a49. 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/GBDGQ0001043.
Les Troyens, Op. 29, H 133, Act III: No. 19a. "Nous avons vu finir sept ans à peine"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63fd0df3a9056f70fcef6447f6d79d93f2bc893d70043f8841577f01843b2380. 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/GBDGQ0001023.
Les Troyens, Op. 29, H 133, Act IV: No. 34a. "Assez, ma soeur"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a52c09f22a99f042464b2928f1ee4b91727c890cd4690233fc64bdb30a0cc64. 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/GBDGQ0001044.
Les Troyens, Op. 29, H 133, Act I: No. 9. "Que la déesse ... A cet objet sacré"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f3c6ec91d7e1a5a588d7a5ff2db17a598d3a3e8ef22166c685ea3b55f3ba62b. 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/GBDGQ0001011.
Les Troyens, Op. 29, H 133, Act III: No. 19b. "Chers Tyriens!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc09696bc0b36bb6432d6ea49cbd73593bcf87f2dc682061069f596a03969235b. 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/GBDGQ0001024.
Les Troyens, Op. 29, H 133, Act IV: No. 34b. "O blonde Cérès"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66064375d6563601c8f159a7b60734b866943ec5dcb301ab259fc8f97f496122. 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/GBDGQ0001045.
Les Troyens, Op. 29, H 133, Act IV: No. 35a. "Pardonne, Iopas"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70b2107efc0adc99b1ad351eebf0cf9b3d9f574492e5814b98b591957c618fc6. 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/GBDGQ0001046.
Les Troyens, Op. 29, H 133, Act III: No. 22. Entrée des Laboureurs
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcd0ae310ea39e0ff587ac2f67be9c338da3255ce37479c98a5972f14335dbe4. 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/GBDGQ0001027.
Les Troyens, Op. 29, H 133, Act IV: No. 36a. "Mais bannissons ces tristes souvenirs"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54922951deb2c6dc37374b8408a14f337582442051bbca08c27ad963959afcd7. 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/GBDGQ0001048.
Les Troyens, Op. 29, H 133, Act III: No. 24. Les chants joyeux
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13eac62ebdfe8da4a1660695c6f8f1a5a31d99440c502084c01ec4a50013a30a. 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/GBDGQ0001029.
Les Troyens, Op. 29, H 133, Act IV: No. 37. "Nuit d'ivresse et d'extase infinie!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4d8c5fdd7e6ba8bde99d891536bb114263e3d5fc4f8daa773c1e22bc51a55a1. 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/GBDGQ0001050.
Les Troyens, Op. 29, H 133, Act III: No. 27. "Auguste reine, un peuple errant et malheureux"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44c88185b17f029af5890fe05dad1478efc7e21dad7f251f551888638074c9a8. 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/GBDGQ0001033.
Les Troyens, Op. 29, H 133, Act III: No. 28. "J'ose à peine annoncer ... Reine! Je suis Énée! ... Des armes! Des armes!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51c03dc7d0e848849842bb7502cf0014ad7a6249e03d154eb8973728e65bb987. 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/GBDGQ0001034.
Les Troyens, Op. 29, H 133, Act I: No. 1. "Ha, Ha! Après dix ans"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcea72f627a7d32fe2a7eefabf60430944b58422cb407951bc194c61829ede785. 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/GBDGQ0001001.
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
Les Troyens, Op. 29, H 133, Act I: No. 3. "Reviens à toi ... Pauvre âme ... Si tu m'aimes ... Mais le ciel et la terre ... Quitte-nous dès ce soir"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c5af3c32baa8dc5461cf7427026f18854128e8d3417809fa0eb11374ab3e492. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBDGQ0001005.
Les Troyens, Op. 29, H 133, Act II: No. 15. "Tous ne périront pas ... Oh digne soeur d'Hector!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa034f780107205529b9c0ac1941f2d4f297f16d84cb62a487302fdf361160b35. 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/GBDGQ0001019.
Les Troyens, Op. 29, H 133, Act II: No. 16. "Complices de sa gloire ... Le trésor!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x678e5ff70ad6bc2fc7ba1743e319f1df591c8006a12871b8e5d2ab094e6abd4f. 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/GBDGQ0001020.
Les Troyens, Op. 29, H 133, Act I: No. 6. Pantomime
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0ecc7576822f08462a37681a96eae23a3133221b322e787958af91a899fb63a. 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/GBDGQ0001008.
Les Troyens, Op. 29, H 133, Act I: No. 10. "Non, je ne verrai pas la déplorable fête"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd01389e2d1a82b3df3a8ad9e7a244d7c28772033e28183c55777079d676afd24. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBDGQ0001012.
Les Troyens, Op. 29, H 133, Act I: No. 11. "De mes sens éperdus (Marche troyenne)"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c34a972a92dad3c664b1c7a6dfa7091724a5e81a73ab3457ca8d29a8bf53de8. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBDGQ0001013.
Bach, J.S.: Advent Cantatas BWV 61, 36 & 62
Nun komm, der Heiden Heiland, Cantata BWV 61: No. 3 "Komm, Jesu, komm zu deiner Kirche"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10fddb096d4eb6de53c43972452ae8f275aec6d6cb54a2bc37bf384ab134c99d. 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/DEF059202043.
Nun komm, der Heiden Heiland, Cantata BWV 61: No. 5 "Öffne dich, mein ganzes Herze"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9850f1382139ccd7e66df087cee8b42f13ad300286350b3b197d18f37d34a528. 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/DEF059202045.
Schwingt freudig euch empor, Cantata BWV 36 / Part 2: No. 6 Chorale "Der du bist dem Vater gleich"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aeeedd014b283fffa3376d7f7358f55e46207176e105021bd64f8910c06ba9c. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059202056.
"Nun komm, der Heiden Heiland", BWV 62: No. 1 Chorus "Nun komm, der Heiden Heiland"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41dc49c0df3ea3d44c1ec5ba3e6af30c73ee6c3b2b99e708b332427e6e77426b. 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/DEF059202061.
"Nun komm, der Heiden Heiland", BWV 62: No. 2 Aria "Bewundert, o Menschen"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e4744ddf757c4564e133a0130e1b0a02cf9c1fce148dd379899df86287b4dba. 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/DEF059202062.
"Nun komm, der Heiden Heiland", BWV 62: 5. Recitative "Wir ehren diese Herrlichkeit"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd434ad51a2f59f7762102ec2c616c6443c5b1e967102b88a1cbb1f6bee7ac75e. 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/DEF059202065.
Schwingt freudig euch empor, Cantata BWV 36 / Part 1: No. 2 Chorale-Duet "Nun komm, der Heiden Heiland"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe734fef7f1a88396a06d364b9f5f9345101ec1fc70126db4bf3da015db28a897. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059202052.
Schwingt freudig euch empor, Cantata BWV 36 / Part 1: No. 4 Chorale "Zwingt die Saiten"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb74c0d6304e537ef4fb4f5919060e574f8f1d6c1cea7dc08472cdc6944dece6f. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059202054.
Zemlinsky: A Florentine Tragedy & Six Maesterlinck Songs
Berlioz: Highlights from The Trojans (Les Troyens)
Symphony No. 3 in D Minor / Pt. 5: 5. Lustig im Tempo und keck im Ausdruck
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16db54f5bbb1cfc3eb075c2dcd921565b041d21e6c3afa45f1100cf34d8fc609. 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/GBBBA0301095.
Symphony No. 3 in D Minor / Pt. 6: 6. Langsam. Ruhevoll. Empfunden
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Suite aus den Orchesterwerken von J.S.Bach: Air
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Mahler 2 "Resurrection Symphony"; Totenfeier
Lohengrin: Act III Scene 1: Treulich gefuhrt, ziehet dahin (Wedding March) (Chorus)
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Lohengrin, WWV 75, Act I: Mein Herr und Gott, nun ruf ich dich (Live)
Wagner: Lohengrin, WWV 75 (Recorded Live 2011)
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Lohengrin, WWV 75, Act II: Entsetzlich! Wie tönt aus deinem Munde furchtbar der Name (Live)
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Lohengrin, WWV 75, Act II: Euch Lüften, die mein Klagen (Live)
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Lohengrin: Act I Scene 1: Hort! Grafen, Edle, Freie von Brabant! (King's Herald)
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Lohengrin, WWV 75, Act I: Durch Gottes Sieg ist jetzt dein Leben mein (Live)
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Lohengrin: Act III Scene 3: Heil, Konig Heinrich! (All The Men)
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Lohengrin, WWV 75, Act II: Erhebe dich, Genossin meiner Schmach! (Live)
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Lohengrin, WWV 75, Act II: Was macht dich in so wilder Klage doch vergeh'n? (Live)
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Lohengrin, WWV 75, Act II: Du wilde Seherin! Wie willst du doch (Live)
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Lohengrin, WWV 75, Act II: Der Rache Werk sei nun beschworen (Live)
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Lohengrin, WWV 75, Act II: Elsa!... Wer ruft? (Live)
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Lohengrin, WWV 75, Act II: Entweihte Götter, helft jetzt meiner Rache! (Live)
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Lohengrin, WWV 75, Act II: Du Ärmste kannst wohl nie ermessen (Live)
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