1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f5055460f5bc92c32323da1a77bf2d4b8e3daaa31f0d7bba5fd9ffed5bf1d83. Chain 2 (Bitcoin): anchored in block 954516 (2026-06-20T07:04:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a03fd877-35f7-4a95-9c59-7670f16dc643.json and https://artists.proofprofile.net/proofs/artist/a03fd877-35f7-4a95-9c59-7670f16dc643.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Sonata For 2 Pianos In D, K. 448: 2. Andante
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4ed86c160879fbf744d3ff6f8e01b56a33154e9d72115d7740b5472aa1e0a4d. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057203112 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8262a203e1cca8235697857c980f6499a4768e3f805a879fbff2b23e46d07820. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058603930 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09383ffe9b738f87088b7f081868edc9389ecb69e65fcdafa91f428b45daef66. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430601 — a six-check JSON result.
Die Zauberflöte, K. 620 / Erster Aufzug: "Der Vogelfänger bin ich ja"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcae20585d429709542f516028a953386fde84db574ccd64ea672a204649d7f74. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430603 — a six-check JSON result.
Die Zauberflöte, K. 620 / Erster Aufzug: "Dies Bildnis ist bezaubernd schön"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03a5d91ad6344c5e9027153f2e3865c629d0f332951bfe978f774e0d49978d34. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430604 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13c1affd6bbd6fc6edeeeeb058b584df5ac04a24ffa15e185dc9f837a7e99f7b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FIFMF1238202 — a six-check JSON result.
The Originals - Legendary Recordings From The Deutsche Grammophon Catalogue
Die Zauberflöte, K. 620 / Erster Aufzug: "Zum Ziele führt dich diese Bahn"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bd2f6261685e41ef38bdbabdf8eeae0cdbf21ef5d3845d480e0b649a720793a. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430626 — a six-check JSON result.
Die Zauberflöte, K. 620 / Erster Aufzug: "Wie stark ist nicht dein Zauberton"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb969255366c496beb020d848d8b1d9015222289b50588ab4e6fed58e252bceb. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430627 — a six-check JSON result.
Die Zauberflöte, K. 620 / Zweiter Aufzug: "Tamino mein! O welch ein Glück!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe33e9994317506ba98b7c4ec46ae5735a81ebf782c4a10d780025c0b516f945d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430647 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb969255366c496beb020d848d8b1d9015222289b50588ab4e6fed58e252bceb. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430627 — a six-check JSON result.
Die Zauberflöte, K. 620 / Zweiter Aufzug: "Der, welcher wandelt diese Straße voll Beschwerden"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a3df50e2b1114732648eed2c79dde585d4d293f3060745eee29c4db94297d7b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430646 — a six-check JSON result.
Der Rosenkavalier, Op.59: Rofrano! Rofrano! – Mir ist die Ehre widerfahren
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57be5bfeaeef9fd5c5c1d02e03d84c0f87593be143ec5444ccd7cee3244e0d79. Chain 2 (Bitcoin): anchored in block 960268 (2026-07-30T14:53:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055830111 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ace623c54f65fa9a99d3b7057872c27422332cc06fbb3bec477898f160dbd1b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055702500 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdab28669e33da0d672899e0a00cbef24aad7102aa5bb2d75e60079fcc854e999. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055302850 — a six-check JSON result.
Sibelius: Kullervo, Op. 7: I. Introduction
Helsinki University Male Choir/Bournemouth Symphony Orchestra/Paavo Berglund
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0aae513072998e66d0012960faa5c0df43cd1ee2cec5104a0d6b20f02c72331. Chain 2 (Bitcoin): anchored in block 960314 (2026-07-30T21:00:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYD0000127 — a six-check JSON result.
Sibelius: Karelia Suite, Op. 11: I. Intermezzo
Bournemouth Symphony Orchestra/Paavo Berglund
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e1a67eb9b5becf913cb7aef918f185bc63a1abd657311f723363aabd04fa937. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYD0000133 — a six-check JSON result.
Sibelius: Kullervo, Op. 7: III. Kullervo and His Sister
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce70c40b6c516874652648463dea6dc5407069792d65970e1ee43ccca36a25c3. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYD0000129 — a six-check JSON result.
Centenary Edition 1913 - 2013 Berliner Philharmoniker
Swan Lake Suite, Op. 20a: I. Scene "Swan Theme". Moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82e412581ca87977501cdf08f4203ee4931348ffe2d79036d7b33bf75a404cfe. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057801272 — a six-check JSON result.
Querschnitt durch das Kinderklassik-Repertoire
Mozart: Die Zauberflote K620 - Highlights
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09383ffe9b738f87088b7f081868edc9389ecb69e65fcdafa91f428b45daef66. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430601 — a six-check JSON result.
Die Zauberflöte, K. 620, Act I: No. 1, Zu Hilfe! Zu Hilfe!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe525cde8b46d40cbcd4d4f0ce6220bbc38edea729f4d6d8273d335ce8596b37. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430602 — a six-check JSON result.
Die Zauberflöte, K. 620, Act I: No. 2, Der Vogelfänger bin ich ja
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcae20585d429709542f516028a953386fde84db574ccd64ea672a204649d7f74. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430603 — a six-check JSON result.
Die Zauberflöte, K. 620, Act I: No. 3, Dies Bildnis ist bezaubernd schön
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03a5d91ad6344c5e9027153f2e3865c629d0f332951bfe978f774e0d49978d34. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430604 — a six-check JSON result.
Die Zauberflöte, K. 620, Act I: No. 4, O zittre nicht, mein lieber Sohn!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf421337e5f98dbbf26ed82ddea65f02b56601963e089a0c786ca94a1d68bbdcc. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430605 — a six-check JSON result.
Die Zauberflöte, K. 620, Act I: No. 7, Duet. Bei Männern, welche Liebe fühlen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x384192531e19cbf9b0c883bcc8b6213b67e7abeec51c094240fc57685e3c0e20. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430606 — a six-check JSON result.
Die Zauberflöte, K. 620, Act II: No. 10, O Isis und Osiris
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa4b15cbb39508fb115a8e1a87f24d1e848b01261390e59e0e5b78436f446448. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430607 — a six-check JSON result.
Die Zauberflöte, K. 620, Act II: No. 13, Alles fühlt der Liebe Freuden
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd16a741462860f14aa8f9bcae2bbcf8981b571bd336c1a80482e16e68fe4a74d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430608 — a six-check JSON result.
Die Zauberflöte, K. 620, Act II: No. 14, Der Hölle Rache "Queen of the Night Aria"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0a2d9cc39e2097e47d6499a79390f9691a260cc694b7081debceb4c0d5448f0. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430609 — a six-check JSON result.
Die Zauberflöte, K. 620, Act II: No. 15, In diesen heil'gen Hallen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ac07529659d2f2d1d7b09f2766f8ab6926b06842c37cf7300b89e685b570109. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430610 — a six-check JSON result.
Die Zauberflöte, K. 620, Act II: No. 16, Trio. Seid uns zum zweiten Mal willkommen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab336083346dceb2704f3c0ffa388a78afd522b150af1f5c0bc2b6eac8850299. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430611 — a six-check JSON result.
Die Zauberflöte, K. 620, Act II: No. 17, Ach, ich fühl's
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaabbcbf2363f81b40e2214dd12b344b7eaee94beaf233a4d92e70b3d4b799a38. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430612 — a six-check JSON result.
Die Zauberflöte, K. 620, Act II: No. 18, O Isis und Osiris, welche Wonne "Chorus of the Priests"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x911536999c24561527dfd96cc5762c9fa8d19cb3dcaa9e491003c348efb60970. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430613 — a six-check JSON result.
Die Zauberflöte, K. 620, Act II: No. 20, Ein Mädchen oder Weibchen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x787c7cb14fd7c7473246b2496edb6392c4f667298d6364c547ccdd569eb8f050. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430614 — a six-check JSON result.
Die Zauberflöte, K. 620, Act II: No. 21, Finale: g. Duet. Pa-Pa-Pa-Pa-Pa-Pa-Papagena!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07292c3e92ff0b1c081324766fdf08882adbce9104219a4176044c3bae60ec91. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430615 — a six-check JSON result.
Die Zauberflöte, K. 620, Act II: No. 21, Finale: i. Die Strahlen der Sonne – Heil sei euch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa57751cd1770a86716a6c891e766ac768c7b201d828bd1de1adb3b2b9d8dfc29. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430616 — a six-check JSON result.
Brahms: Liebeslieder-Walzer; Neue Liebeslieder-Walzer
Liebeslieder Waltzes, Op. 52: No. 1, Rede, Mädchen, allzu liebes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x292d1835e83d20ee79efaa989793ef06ef1526f4076dc0f28e4bbe00f7d3aa03. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056230101 — a six-check JSON result.