The Vienna Boys' Choir () is a choir of boy sopranos and altos based in Vienna, Austria. It is one of the best known boys' choirs in the world. The boys are selected mainly from Austria, but also from
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 0x92d28470a2f4b42e67f0dbddca2384e7a9483e3b35cc68124cceaa9d2d24ddee. 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/9d3a8810-d24a-4785-8e76-08ccc80df1e7.json and https://artists.proofprofile.net/proofs/artist/9d3a8810-d24a-4785-8e76-08ccc80df1e7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x1f4079b7ca9bd5836eef67b3cbed22a4451a2eca4049833f620eddfb8b72341d. 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/USB8U1035279.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabea16c64b46800c0298380e996c01fa7a664873174d0c2150fd320f2404e7fc. 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/USB8U1035283.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35c54b9f17c7096becf050ce37dec42d0063345bf20cc7b05e39f1ec6b90b442. Chain 2 (Bitcoin): anchored in block 957043 (2026-07-07T13:52:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1035293.
Canon and Gigue in D Major, P. 37: No. 1, Canon
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19976c305abdfdee8662236e671f71cdf3f3e2379fd4e6d4e183249aba9ff8d7. 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/HKI199211101.
Mahler: Symphony No. 8 "Symphony of a Thousand"
Symphony No. 8 in E-Flat Major "Symphony of a Thousand", Pt. 1: I. Veni, creator spiritus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a688f51d7803dc31e78f60990f4d7699a00f2992cb6691e498d9f84d6825cf5. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/GBF077130601.
Symphony No. 8 in E-Flat Major "Symphony of a Thousand", Pt. 1: II. Imple superna gratia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68178fdc320b0ee136ca29c818c2713b803a527230f3419c915fb2a28faf6e70. 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/GBF077130602.
Symphony No. 8 in E-Flat Major "Symphony of a Thousand", Pt. 1: III. Infirma nostri corporis I - IV. Tempo - V. Infirma nostri corporis II
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x463f580898f34376c3bd2012c22d7a62dac8ef5aba127e01671bbe077e4510a9. 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/GBF077130603.
Symphony No. 8 in E-Flat Major "Symphony of a Thousand", Pt. 1: VI. Accende lumen sensibus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f7842344e9893ffc3bece87061f6f17e7c5c1d294098ef65403c2eea1723245. 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/GBF077130604.
Symphony No. 8 in E-Flat Major "Symphony of a Thousand", Pt. 1: VII. Veni, creator... Da gaudiorum praemia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2542eb5d0c33c8a86dea3f98f7968f7110644ea7756e8c5d9c0144816ad634c7. 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/GBF077130605.
Symphony No. 8 in E-Flat Major "Symphony of a Thousand", Pt. 1: VIII. Gloria sit Patri Domino
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98b00e963bd62ffa54f51071390224ae582d6dce5ccb0bf5e927bb2a922b3372. 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/GBF077130606.
Symphony No. 8 in E-Flat Major "Symphony of a Thousand", Pt. 2: IV. Ewiger Wonnebrand
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93cb62a308aae3e8a53fe65aa353385018f388b25cf4eba271d4269a2855b1c3. Chain 2 (Bitcoin): anchored in block 957032 (2026-07-07T11:43:09Z), 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/GBF077130608.
Symphony No. 8 in E-Flat Major "Symphony of a Thousand", Pt. 2: VIII. Uns bleibt ein Erdenrest - IX. Ich spür' soeben
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd833acefb0d3f634e5c0fec99fdd7eda941fa932a67536306e373f3a91e29e84. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/GBF077130611.
Symphony No. 8 in E-Flat Major "Symphony of a Thousand", Pt. 2: X. Höchste Herrscherin der Welt - XI. Dir, der Unberührbaren
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5425af2b609a3b6ce05c3039b24accd2ba9d6527e9fd5885ecdd932cd6d7ae8. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-21T17:21:37Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077130612.
Symphony No. 8 in E-Flat Major "Symphony of a Thousand", Pt. 2: XV. Blicket auf zum Retterblick
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x864cb53f190413a24b3e6f11fa1b604c71a79e2a349f8142f8508fc7bc5d51e1. 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/GBF077130615.
Symphony No. 8 in E-Flat Major "Symphony of a Thousand", Pt. 2: XVI. Alles Vergängliche
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa791bf233c3bd287e4af9176c1a5030b0c90672020ae1309dda8ff76d6afb10f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/GBF077130616.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc4e7cc1dc991eeb1f3f40ee10509d52bbce0539066ec359a0101c4b4696c29f. 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/DEB261200973.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7d5ccd5bfe75590f85f822f395d5e092d8dfce2637fa1725c13b256aac9f5e7. 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/DEB261200976.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78cf1f0b16d9f12fafe2d52020c9a51100d08806eeb41e514b9a8523038c76b6. 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/DEB261200990.
Choral Music (Sacred) - Handel, G.F. / Mozart, W.A. / Schubert, F. / Haydn, F.J. / Herbeck, J.R. / Bach, J.S. / Bruckner, A.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5c882a4e5ae0c5037e102113054fcb5fbf94371f52a8109e797c9e06f559677. 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/US2TL0947406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x438097149dbfccb2fafe60ad0c160617d259725d9c5329cb1511540d71fe20a9. 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/US2TL0923401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32caf00fffec16e9def728ecb1afe5795b35c1f97f1eef472801997bb29f602f. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/US2TL0923402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48fed5e3c6b96294c46a3989be3dcc91abf3062c943e79fc50db623c3547aa50. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), 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/US2TL0923403.
Festgesang, MWV D4, "Gutenberg-Kantate": No. 2. (adap. W.H. Cummings as Hark! The Herald Angels Sing)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc485aaf8abbd5b4d0cae21812e28776061c7f3b130c90bec0bd4743abcde6cbf. 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/US2TL0923408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb36294629e991218f88186b3775569b8ba0c21f80c3830bfba23da2921cf3de5. 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/US2TL0923409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2f68821f46ff5af804c5b2855c7ebdb7e61578d0e1881a5cf123d40d6d292cd. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/US2TL0923410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd24b01e289bb1a86f27433f856d321f1ab67523c45333419e5f8de6b1fbd40d3. 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/US2TL0923412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85edcd21efea7e46f0f48984cebeaf140b26b1868a59d7014c675de589a78fee. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/DEB260200463.
Zadok The Priest (Coronation Anthem No. 1, HWV 258)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5c7a8bb9fd086466e2c84651fccef12159c946297f9fdc3101e505d8ea7a8a4. 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/NLA509200304.
Stille Nacht - Weihnachten mit den Wiener Sängerknaben
Es ist ein Ros' entsprungen (Arr. Breuer)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x809855220bb0bd41f0aba96a4ca1ec52c264258a29b5bde770ffc2b61e7aa147. 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/DEA610100933.
Susani, Vom Himmel Hoch Ihr Englein Kommt (Arr. Breuer)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a59fc529b78df169a19ab59e855a0b9124ea8d7626435693a1cfdacdc5f4a5d. 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/DEA610100936.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c27c21f56bcb175037568a563139127e3002f8de6011b7bd7d9867be83a3558. 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/ATUM72300446.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d13f32bd22464e5e7d6e244058206fb2a118bf04e8dc48160acaff7b301c334. 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/ATUM72300507.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9e231bc88d8a80ec309c3d010fdc80a0248344727c9b1bbc85a13d312fbbafa. 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/ATUM72300449.
Selva morale e spirituale: Magnificat I, SV 281 - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe35c3b914624152b2a0b36d99491ad9a6322cfdf37c6fc29a8c5c91a8111e5e6. 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/ATUM72300454.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58bddc99d3297beb4aa09fe3b2f96db6e1e4e1a4882445e5580b2126c5377a43. 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/ATUM72300444.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c6cc992a66216a68b61694d225d7d95b97f3d3db1a227c24b41277b219be33b. 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/ATUM72300445.
Kaiserwalzer, Op. 437 (Arr. Wirth) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20e8a3f0ef4ffbdb4d6039b827b429fcee3d02910cc50d5378b35a463c45830b. 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/ATUM72300453.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0fb6438619325620fa2d4ca85ce42f216520715d7f2a26d65ca53ad7d11ba8e. 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/ATUM72100144.
Purcell: Music for a While (Arr. Gerald Wirth for Choir, Cello and Organ)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe0cd0598634f2e86c75a211ed46dd19361f16cd38af427007639eba12e41a07. 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/ATUM72100151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9c806208303a796cf9340b2b99f7861375c5c3f8adaf284c93213d6e1cab683. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/ATUM72100158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb0596a08c78a697dea4b7d947a8e9c502f4e8c7524b842033bed1af4d7c3fe8. 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/ATUM72100155.
Dreaming of Home and Mother - Ryoshu - Song Bie - Li Ge
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf0fa8748af90b14e0a7b6d895eb0d32539a10cc6d42d879e559e569a4f106d4. 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/ATUM72100170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce668a545a6e31404c63520f827754f7c35979a8d68a18797192a134b213a587. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/ATUM72100145.
Matrosen-Polka, Op. 52 (Arr. Gerald Wirth)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5779c666a59c739976e911c09cb3517140009c8fb64c1f1bddf23edc4fd47ec0. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/ATUM71800122.
Frühlingsstimmen, Op. 410 (Arr. Gerald Wirth)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeae1249fbc3aa0bfed304d0833dccd0317cf87fa0b43224c63edf0ceafb00115. 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/ATUM71800119.
Tritsch-Tratsch-Polka, Op. 214 (Arr. Gerald Wirth)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb803638451ad133eddeb89766b001989ffe0836e9a58fb47aa2453553701c0e4. Chain 2 (Bitcoin): anchored in block 956859 (2026-07-06T01:42:12Z), 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/ATUM71800125.
Tausendundeine Nacht, Op. 346 (Arr. Theimer)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3855000f011e5651448bab41318b311c69569f03f1f3ac1b7632e844717a1314. 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/ATUM71800124.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x523e9c20705ae83fe6d173e1db8c02947528d42cbde703206e9e3ee605d37c84. 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/ATUM71800118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cb7f8ea69d40c94a84cd4a64bbb779f035dba4f890df9ba82ca1f71038b66bc. 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/ATUM71800117.
An der schönen blauen Donau, Op. 314 (Arr. Gerald Wirth)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d7e1d9bdf6475269ce84285bf53c13311040a5b762c1886da33cdde4da80f2a. 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/ATUM71800114.
Radetzky-Marsch, Op. 228 (Arr. Gerald Wirth)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x071f6197e571064327151b3dc2eb5188ee96a45f569dc74765334d11318851d4. 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/ATUM71800123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85184d5d3e3bf4f073c74b1c0bebef976ef896336ecf3d27a45fa015acdfdd0b. 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/DEA311800696.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf80ab0b5ec6b844b5ae87348a56654677f8b65250debb1abf51534f62ba5eeba. 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/DEA311800702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe91432f1c4d88f9f08b1a8f92983beac42e96cdb8f00673ab01d1c234daf35b0. 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/DEA311800717.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f95a6a74b5d77b61c43a12d109ed512e4ebc6f6fff086d03c3e501e2f6076a1. 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/DEA311800719.
Magic Christmas Carols (Original Recordings)
Die Wiener Sängerknaben Conducted By Xaver Meyer
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0af9a2bf45160295f3417c4459fc7f6a01a3fe80ce2fd333e68adedb823c8f64. 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/GBURZ1602229.
Mozart: Requiem & Ave verum corpus - Bruckner: Motets
Requiem in D Minor, K. 626: I. Introit. Requiem aeternam
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fe2904dbacdce6dbdd6dacc9f468dd0e3c8f3309742b74447dd73bff2eea49c. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/DEB261600990.
Requiem in D Minor, K. 626: II. Kyrie eleison
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6adc2afe985c865d6ebda2802a4cc41ad3f0e22834d9c4d3d38d03f8d326ee67. 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/DEB261600991.
Requiem in D Minor, K. 626: IIIa. Sequenz. Dies irae
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39cdee07c1fbaa35050cf77a0e83fc5ff223f265e892b481efa5b4b313deada1. 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/DEB261600992.
Requiem in D Minor, K. 626: IIIb. Sequenz. Tuba mirum
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2bcd85d47ee379f57db485fdd41188163378c4b60ee59499fa11b864938a5b7. 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/DEB261600993.
Requiem in D Minor, K. 626: IIIc. Sequenz. Rex tremendae majestatis
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb629d5486e8e5a63a18da48c59365414659b70c06af0557ccec1b6fb13895b9. 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/DEB261600994.
Requiem in D Minor, K. 626: IIIe. Sequenz. Confutatis maledictis
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x192a9ecbf5c907e6bec77b5e44c131be5c1840d2fbe054c05179e491f2296db2. 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/DEB261600996.
Requiem in D Minor, K. 626: IVb. Offertory. Hostias et preces
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0c12d8d13622cecef2ddb3db489b0c2ab24e11ce7c47fa5251c62c15f20872a. 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/DEB261600999.
Requiem in D Minor, K. 626: VI. Benedictus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x935a080312e153b5dda50c6c06bc3bc39f12360e67515030fe081dc0d692f81f. 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/DEB261601001.
Requiem in D Minor, K. 626: VII. Agnus Dei
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64f68f6cefc4693ddb4d9b2e9940cabd6d4466dfbf133a9bd680a5a6028186cb. 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/DEB261601002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf15e4eff2580abd6419719736304fe2fe41f0f39fef1f4cac86261898792054d. 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/DEB261601004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3233787731f4ecf1c15d7b8e66ed56c81ca69c9ca9ea10a9c016da1210a06980. 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/DEB261601006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0af9a2bf45160295f3417c4459fc7f6a01a3fe80ce2fd333e68adedb823c8f64. 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/GBURZ1602229.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1410ba48dee2169e48bad0a9c38fc5db4237ac1df8f1d047310a6c16bdef823. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/ATUM71500137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa4db909719518f342498a7cd59dfdf35f7a52496c2643bb454dbaf0f89fa06c. 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/ATUM71500136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06a8de2d84137dd76e86d6781112540984965c27639f149cd0c71d38ebe66581. 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/ATUM71500275.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c9593af7020921a1f885315f977f6356bcef0c78cdf1cbf78b22f73c77404cc. 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/ATUM71500139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cd5d34cb2f0d4c87ea3a267c763c854a8ad06105d1b551a9a659ca9d13cfa3e. 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/ATUM71500134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65d310a559610f5df99455d83d4ead26d803bca607eb04e53f81e4de0b08e1e1. 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/ATUM71500291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x566411967e0667fb84c05cbc2dc7a4d4d21c424e4a3ed269eb6ed2093769be0a. 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/ATUM71500294.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe36be805ea673d724f413cb526518c9e51bb7ec35e96bf4109aca7c897604ed3. 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/AUAB01250430.
Vesperae solennes de confessore (Solemn vespers of a confessor) K. 339: Laudate Dominum
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca7969f953b58b51f6c7c458c9a427cd921b853bc9d3e063a68ca79c1d0b5a4c. 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/AUAB01250434.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80b3f72d59379cc389624532f24b4860d1ce734eb7c93187c0bc10567c0f0cb2. 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/AUAB01250435.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ad1ab6a9d82d7b31e439677261dbca510695ba7442e5b1758486525aa66f322. 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/JPTO01200616.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x940d64584e1c327f62954b03241048780663ea66fc00ee413cb51ceb9814b4f8. 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/JPTO08970890.
トリッチ・トラッチ・ポルカ 作品214
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf604646e7e916d36c342121330afe391cdcf6ff3c573382725937e2dd99cfc9. 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/JPTO08971120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09fc3d2567fe875572dc9f46416ae300f1a3446c2893000b485d265a208e50d2. 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/JPTO00002054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd49d0d3dfb6671490a27a71eef75692fccbb931299c353c7859272b8f217a206. 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/JPTO01200651.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fec17e87391272583731a19ad76804305319ec0b2ed85d9c09283dbd5304c15. 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/JPTO09208490.
アヴェ・マリア（J.S.バッハ: 前奏曲第1番BWV846からの編曲）
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fac2098454d8c18e0cba2096573c0fb38985d12dfada529bbeece80f5f278bd. 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/JPTO09446330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf954edb9e2735c84eefe3d300a9addeefb88613e7ce515b8ca86fe5d2fb13fd4. 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/JPTO08971030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e40721ff93abc0d99ba6fd1e073a6ad59fe4371cef2c99ca9a7a2aa5bc32a1c. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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/JPTO08971160.
O du fröhliche - O du selige / Weihnachten in Wien
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc31b7c91af89c49d92c78c19b4084e10e16537f9910b1d43e1e4402a48e4e5cd. 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/USKO10407657.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1d1d36e152b9a3302f15e1f2ad9dae5ec781c3f9e15ace331ee580c93f9378e. 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/USKO10407661.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf725cb17cb183b7ea477fc739447f0c7551c19f18c0f92095ed04fff632fd0df. 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/USKO10407664.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd93c015f5b99cd042fd83707100928b2da1a905c2b6a3021a038e1fd2b92260e. 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/USKO10407672.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x772a84fd1af0fa328504c0ea786e5f36319916df7452ab6ca2cb1d384b245d8c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USKO10407674.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c0d2c21c36b6fdec70ce86df1fdfd8b8140fd1d796d9c36e17825ea32fb05ef. 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/USKO10407676.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x993b528d102930709bebbf8ca1f71a314ff642b4e74ae31bdd3124784c32dbbf. 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/USKO10407677.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ebbe13ad50868182f45389114268bbb8e9df0e1799ec6566c1c10edd0d38528. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/USKO10503392.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12194f3798ef3f8f138982278968c4ff7d15baf6b8d330f2ddc9e28e8bcb7466. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO10503387.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31377f3dce27736faf4f13f3a006b9d4b3062093dfa61d40f70b21ad3d6cf6ae. 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/DEH980673670.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2891dc1b80acc779cd147e59fb0f1222d5f2ebf999a6808dd9a262a3c60b011f. 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/DEH980673710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd49be11de7c298f72b4050e3b898b14356fb81cb4a9c50dbd04839a5047a90df. 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/DEUM70604986.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x606b4673351fc3b578cd9f0267552ea37b3ff0095c55d76606b81a69acbdc6b3. 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/DEUM70604989.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3135b5d9fe8a6be369e434b3b2f797d54a637a780d32e3954e6c87c056232c2. 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/DEUM70604990.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc893bf34c17c79dab7a9e5470ee414921a7a4e7a855ccd6c16b26ae18a510d0c. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T17:37:45Z), 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/DEUM70604981.
Vienna Boys Choir: A Jewish Celebration in Song
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd253c3c576a8d82828e9c8483107ec2205b57f468e0aea5e7f337291e125d7a9. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/ATK229900318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdedfc7836ca2eeb7ccdc495cf8c6c0b4fe4e72d21736f761518f430ac97dfb67. 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/US2TL0914802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b62e5d164a4060afa3fecdc663b41a1b3acf8807d41b33d9d7fd9778648694b. 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/US2TL0914819.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ab46610f6e8a322d4c125d6f498d01d8aaada1aa18b2c23d397c2b1c0ce935d. 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/US2TL0914822.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41c1c930f978dda804148c9103dc248a8177f969e7e2c9d8827a5f2bb346c82a. 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/US2TL0914825.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d525b42d519d4126e50a0d524e4a13139f2f2aa704ddcfd461c540e9fa2c134. 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/NLA508809408.
Die Schopfung (The Creation), Hob.XXI:2: Part II: Vollendet ist das grosse Werk (Acheived is the glorious work) (Chorus)
Haydn, F.J.: Schopfung (Die) (The Creation)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb15dd4db2c6090824fe4892896808ab213a4ea56e8494ff0d143f22d325986e0. 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/US2TL0941026.