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 0xc7a78c6a7a81778681a18d2c1edf07d65fb0ca50a58e9af585ac914d30859cbf. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/253855ad-4bcf-47d6-9032-4749a6d6ef22.json and https://artists.proofprofile.net/proofs/artist/253855ad-4bcf-47d6-9032-4749a6d6ef22.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
J.S. Bach: Matthäus Passion (Deluxe Edition)
Matthäus Passion, BWV 244: Chorus: Kommt, Ihr Töchter, helft mir klagen / Choral: O Lamm Gottes
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 0x982272e0dd859af65bfe018f18bb1255793cb88ec5569bba773ed4ad3323500a. 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/NLD681303275.
Matthäus Passion, BWV 244: Evangelist: Da Jesus diese Rede vollendet hatte
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf4fd5f14d22676bf1809b1f0a3e1ea4d4f758208eaec6ad3660707c21f3571b. 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/NLD681303276.
Matthäus Passion, BWV 244: Recitative (Alto): Du lieber Heiland du
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bb4ad217b83da907061529e90e72f13cd64c92899d5ebb6d44f9132bc3acf48. 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/NLD681303279.
Matthäus Passion, BWV 244: Aria (Alto): Buß und Reu
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15a5cb672a426b5b107397964edd16b854135a642a1694c97c63c579f262cd60. 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/NLD681303280.
Matthäus Passion, BWV 244: Aria (Soprano): Blute nur, du liebes Herz
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0574bb48585397642348b83ebb774461d1e6bdd50dc9abd7cf68d9b6f11b2ce. 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/NLD681303282.
Matthäus Passion, BWV 244: Evangelist: Aber am ersten Tage der süßen Brot
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa76c63a933a60803ca412218546dc9df83362ee77a02a1c47d99546b0ee53cb2. 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/NLD681303283.
Matthäus Passion, BWV 244: Evangelist, Jezus, Judas: Er antwortete und sprach
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d1a1bcd3777c4e1ee4ce7145d3d66153777d3bc7682f7f2f5b105a588fc3ba2. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/NLD681303285.
Matthäus Passion, BWV 244: Recitative (Soprano): Wiewohl mein Herz in Tränen schwimmt
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x454ce6406ef61973453b1aa3b0a690d160ad4da4acc56e6c5088e579bdeaf3c6. 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/NLD681303286.
Matthäus Passion, BWV 244: Choral: Erkenne mich, mein Hüter
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f5cd41d4d6d76d17f9ac5c10b7e2a6e1144e4759ba42e9d3995ef45290baabe. 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/NLD681303289.
Matthäus Passion, BWV 244: Evangelist, Petrus, Jezus: Petrus aber antwortete und sprach zu ihm
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd855aa2850e080462e575a7a08d3c355826c43b62bb5fb48bd573eb2f05b2972. 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/NLD681303290.
Matthäus Passion, BWV 244: Choral: Ich will hier bei dir stehen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3619b4a5d4352c2debe162228e7933520be3748bdcb7b2165483d001bb06c0ea. 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/NLD681303291.
Matthäus Passion, BWV 244: Evangelist, Jezus: Da kam Jesus mit ihnen zu einem Hofe
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f4d5d0c0bcd3ec5e113b685acdaddd7eb8e7c2bbf7b8f1dd88eda76d53159ac. 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/NLD681303292.
Matthäus Passion, BWV 244: Recitative (Tenor): O Schmerz! / Choral: Was ist die Ursach
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa796e5a30a2715800b45008874d3573d3437744dc589c301c1a26d65b4799677. 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/NLD681303293.
Matthäus Passion, BWV 244: Aria (Tenor): Ich will bei meinem Jesu / Choral: So schlafen unsre
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d6e828627483b8407e0bcbdba715cb20b3af8ef64ae60f18b199dde9e455fe0. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/NLD681303294.
Matthäus Passion, BWV 244: Recitative (Bass): Der Heiland fällt vor seinem Vater nieder
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5d3fcdb007f7b3d9808f50010f0720f3f65bb7e2a4af39f40ad4c2721ac1f71. 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/NLD681303296.
Matthäus Passion, BWV 244: Aria (Bass): Gerne will ich mich bequemen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x029de048e78e2a8d825a2511f4a48353beb3740c422b2d83162e3cfca621e2c5. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our 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/NLD681303297.
Matthäus Passion, BWV 244: Choral: Was mein Gott will, das g'scheh allzeit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bc37b41ebefe8fdfdc878e1a40b95d60869adfc4c34d520bfb4602702888dc1. 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/NLD681303299.
Matthäus Passion, BWV 244: Aria (Duet: Soprano, Alto): So ist mein Jesus nun gefangen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46b5d41d4bb70efd7c0dd3409090f40e10878829628a504ca860b64447d743c0. 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/NLD681303301.
Matthäus Passion, BWV 244: Evangelist, Jezus: Und siehe, einer aus denen, die mit Jesu waren
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7575a0b10030e913eb7516201b9a660b5cb3b02bf00fbe37bf918481d9660349. 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/NLD681303302.
Matthäus Passion, BWV 244: Choral: O Mensch, bewein' dein Sünde groß
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f1dcb394b08ce4f025ef2a71196ca658237de94c7811384ab02993dd39b2931. 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/NLD681303303.
Matthäus Passion, BWV 244: Aria (Alto) Ach! Nun ist mein Jesus hin! / (Chorus): Wo ist denn dein Freund
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a80569adc99be2ba27c804eb2ce0f007f6d8b9220ac6d07ec5c453176899488. 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/NLD681303304.
Matthäus Passion, BWV 244: Aria (Tenor): Geduld! Wenn mich falsche Zungen stechen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe64a3bce45a2de7f3601eff84b596bf96c7c0f159d6d91888639145a9b6eaf27. 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/NLD681303309.
Matthäus Passion, BWV 244: Evangelist, Pontifex, Jezus: Und der Hohepriester antwortete
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96cc7482c15cc4703ed4801d04a2a69b264bcc0100ba5315b77b34cf0e59b316. 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/NLD681303310.
Matthäus Passion, BWV 244: Choral: Wer hat dich so geschlagen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e8571039143279309fee40da6a29f23d7f8e5b15a4a405b11010cfca0ce7c94. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD681303311.
Matthäus Passion, BWV 244: Evangelist, Ancilla I/II, Petrus: Petrus aber saß draußen im Palast
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5d14e41ecbeb06842dc9832b67fbcb4ee3ac1b43d4c285a6b798381ebe5e982. 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/NLD681303312.
Matthäus Passion, BWV 244: Aria (Alto): Erbarme dich, mein Gott
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0286648880942db16e6de69586126bcef6c7c4861a6c379fdc37f203100823f. 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/NLD681303313.
Matthäus Passion, BWV 244: Choral: Bin ich gleich von dir gewichen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94408d9eeff0303831539026542ab5a14e3d7391ce3f40f462c7c5eaa079df31. 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/NLD681303314.
Matthäus Passion, BWV 244: Aria (Bass): Gebt mir meinen Jesum wieder!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2412a7f6bd154f4e58340aec4b483cf81502250ff52c192f41ba50077b697424. 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/NLD681303316.
Matthäus Passion, BWV 244: Choral: Befiehl du deine Wege
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67dba5f23b0939cd856a03365bf58374dd0410e49b13f947be0f08d4a707a51c. 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/NLD681303318.
Matthäus Passion, BWV 244: Choral: Wie wunderbarlich ist doch diese Strafe!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b4cb09126d752def0ca84daad1b02146595daf49b889331a46038ee8960f53b. 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/NLD681303320.
Matthäus Passion, BWV 244: Recitative (Soprano): Er hat uns allen wohlgetan
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa74a0625f3e6a4ce467f3836a8da2e64260b992105e653e5744235b5478f4da1. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/NLD681303322.
Matthäus Passion, BWV 244: Choral: Herzliebster Jesu, was hast du verbrochen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a11acc3ca50856cff5c4faa67c6d7dc6a4ca8bb6ea40dee848927e469d107c7. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T14:52:53Z), registered by our 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/NLD681303277.
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
Matthäus Passion, BWV 244: Evangelist, Pilatus, Jezus: Sie hielten aber einen Rat
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca97edfcc351b19abd0a087a86f1185824dc9a6c9b5973d646eee10a360ea964. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), registered by our 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/NLD681303317.
Matthäus Passion, BWV 244: Evangelist, Pilatus, Uxor Pilati, Choral: Auf das Fest aber
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b2d1ce2bef80154a1995ab874324a5f6320c6a325049bdab18e7f6e26c3148b. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T14:03:35Z), registered by our 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/NLD681303319.
Matthäus Passion, BWV 244: Evangelist: Da versammleten sich die Hohenpriester
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x451dd8d0f42d846b50e032082a7e41a9220d3087aa5b2070359f93f865e446d7. 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/NLD681303278.
Matthäus Passion, BWV 244: Evangelist, Judas: Da ging hin der Zwölfen einer
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19fdc71238a389ac7f3d41d5076e095ec38f65817d2fcacd30310b90ca4de9d9. Chain 2 (Bitcoin): anchored in block 960099 (2026-07-29T11:30:20Z), 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/NLD681303281.
Matthäus Passion, BWV 244: Choral: Ich bin's, ich sollte Büßen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7e187f47c40b881b8b7314babe5dae85ee60f84f9e5a96a7ce37d11fe9158ac. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/NLD681303284.
Matthäus Passion, BWV 244: Aria (Soprano): Ich will dir mein Herz schenken
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc08a780f0eaa08505f957d7844f42249edc645c7aa3dc59245a6b04e8bc877c2. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), registered by our 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/NLD681303287.
Matthäus Passion, BWV 244: Evangelist, Jezus: Und da Sie den Lobgesang gesprochen hatten
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafe2d197d32dc646cb5561949c402eed762cf3d6c7dca9ed28c576c4b6102627. Chain 2 (Bitcoin): anchored in block 960125 (2026-07-29T15:38:18Z), registered by our 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/NLD681303288.
Matthäus Passion, BWV 244: Evangelist, Jezus: und ging hin ein wenig
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e9760981fd8c9b20debe6093daffbc41792823181e77392579d01eaa8421324. Chain 2 (Bitcoin): anchored in block 960199 (2026-07-30T02:30:29Z), registered by our 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/NLD681303295.
Matthäus Passion, BWV 244: Evangelist, Jezus: Und er kam zu seinen Jüngern
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5770d366785faa881107a66308e5dd10c130bcf9b0ffb116ec701d903cf3dfcf. Chain 2 (Bitcoin): anchored in block 960167 (2026-07-29T23:42:34Z), 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/NLD681303298.
Matthäus Passion, BWV 244: Evangelist, Jezus, Judas: Und er kam und fand Sie aber schlafend
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x500685a03ca5dc72d7a65d5c663472eb17102bf3083f3a100154e8ee6951feac. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD681303300.
Matthäus Passion, BWV 244: Evangelist: Die aber Jesum gegriffen hatten
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x811e07c96be25cb4dfe24ee1f7389acef77972bfcbb5c27df344289e2baa4e88. 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/NLD681303305.
Matthäus Passion, BWV 244: Choral: Mir hat die Welt trüglich gericht't
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x748642f40f34062006de826653685671021ad664168e63d0df8a0aa9f6986c64. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD681303306.
Matthäus Passion, BWV 244: Evangelist: Und wiewohl viel falsche Zeugen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5affea718f5fc50e0df44d6e3069bcedf1f89eda6d5fdee64bbb2142a710f033. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/NLD681303307.
Matthäus Passion, BWV 244: Recitative (Tenor): Mein Jesus schweigt zu falschen Lügen stille
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeebd66f7d82a346f1c07c5fb93157de0e52d2d403715ce2502f0741dfc6b3d9e. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD681303308.
Matthäus Passion, BWV 244: Evangelist, Judas: Des Morgens aber hielten alle Hohepriester
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b5806fd4ff1b951ca43bcb6f44becc6ff34061329e7d3c7072599ce2090345c. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD681303315.
Matthäus Passion, BWV 244: Aria (Soprano): Aus liebe will mein Heiland sterben
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee3cafb003c22e1cae7e9a229533262661188e1bfaabbcb525d622a0f25b6700. Chain 2 (Bitcoin): anchored in block 960218 (2026-07-30T06:57:05Z), 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/NLD681303323.
Matthäus Passion, BWV 244: Evangelist: Sie schrieen aber noch mehr
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33e5d1b91256aaee4b03c746127255ab4d5c77c18aac2eca49fc53b1d80d2b06. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD681303324.