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 0x9a19e51cc6fd97b6ae71fcd355adc602e37ea0f65127ebe88c0fcf6af26056a4. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cf0a51b5-0a8e-4cb7-a023-203a2b93c365.json and https://artists.proofprofile.net/proofs/artist/cf0a51b5-0a8e-4cb7-a023-203a2b93c365.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Abbado conducts Brahms, Rachmaninoff & Tchaikovsky
Symphony No. 1 in C Minor, Op. 68: I. Un poco sostenuto - Allegro
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 0xbb220b7e785a73cbec60df8d4343b1a8da19af582c8e018f79bef4323350455b. 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/DEF059003151.
Symphony No. 1 in C Minor, Op. 68: II. Andante sostenuto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eb82b7f4bae6a16ac4afc92522b5d6a1a4504b9d10e056fad1bb863fc17b5c0. 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/DEF059003152.
Symphony No. 2 in D Major, Op. 73: I. Allegro non troppo - 1988 Recording
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22bbfa6c1fef6e5543e228ffa5c1749ae4d72c1e8e9f46995a1103a6f6a9c6f7. 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/DEF058803311.
Symphony No. 3 in F Major, Op. 90: I. Allegro con brio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c5db417bd07f67ef3336be7ee530b7e23db36516d9f40feace0ac74a90e426d. 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/DEF058903471.
Symphony No. 4 in E Minor, Op. 98: I. Allegro non troppo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe23eea4cf96dc700b371874e22df7018c5ab9bffb642c39e58507ddeab84e42c. 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/DEF059102381.
Ein deutsches Requiem, Op. 45: I. Chorus. Selig sind, die da Leid tragen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dd26e5b4a7953acb7e82efe612b387d7f60430e8ec5c4ad4ace3d05630bc43b. 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/DEF059202601.
Ein deutsches Requiem, Op. 45: II. Chorus. Denn alles Fleisch, es ist wie Gras
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb3d145c7e00bd4e485af8c2a712fa6f1435f1ab98cbd085b03b6649e233ed77. 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/DEF059202602.
Ein deutsches Requiem, Op. 45: V. Solo Soprano and Chorus. Ihr habt nun Traurigkeit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f56d09243c98cb28d2457812f5665f5fcc0bb9befdd6701dbe580efdb9e3779. 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/DEF059202605.
Ein deutsches Requiem, Op. 45: III. Solo Baritone and Chorus. Herr, lehre doch mich
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbecaf5d1d79f6a5c6d6df11e3c5563ecdb4cd22540952b3a631782f6e7dae08. 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/DEF059202603.
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
Ein deutsches Requiem, Op. 45: IV. Chorus. Wie lieblich sind deine Wohnungen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2bc5d481341f42da0ff0ade77bcbfb108996b727390e06a3841ff34436f27c7. 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/DEF059202604.
Ein deutsches Requiem, Op. 45: VI. Solo Baritone and Chorus. Denn wir haben hie keine bleibende Statt
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f96e286f5ab962fe13f39294171a18b898f3ba2a8a0bfa9ee1a2c199baab1b5. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059202606.
Ein deutsches Requiem, Op. 45: VII. Chorus. Selig sind die Toten
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43948de450d3f9bcfc10b63faeaa393e7da137f44c51a1f924d23a1791483529. 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/DEF059202607.
Die Schöpfung Hob. XXI:2 / Erster Teil: Einleitung - Rezitativ und Chor: "Im Anfange"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78ed7650d01528ab3ca3be265b48539daf0e395a3c4e23e2ac0ee1aaf2189063. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058731701.
Die Schöpfung Hob. XXI:2 / Zweiter Teil: 20. Rezitativ: Und Gott sprach: Es bringe die Erde hervor lebende Geschöpfe
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e1e0f279f6c62cb5fd7d3f13dbbe5fb70141ea7a119abc2f1328d5cc8b48980. 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/DEF058731720.
Die Schöpfung Hob. XXI:2 / Erster Teil: 2. Arie mit Chor: Nun schwanden vor dem heiligen Strahle
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f35ecde121e647363eebc99555b55c49fb5f1d6fb4a1fc6b853de0d4d5c3c4e. 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/DEF058731702.
Die Schöpfung Hob. XXI:2 / Erster Teil: 4. Chor mit Sopransolo: Mit Staunen sieht das Wunderwerk
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a1f720d5c8c159292f56c7ca2c0ba452f6c8be04dfd84a63231d0d1ec6e5fb7. 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/DEF058731704.
Die Schöpfung Hob. XXI:2 / Zweiter Teil: 23. Rezitativ: "Und Gott schuf den Menschen" (Uriel)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5391804f5dfdc7164962b4a722647e1fea5d29571c409766e5d440d506848f82. 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/DEF058731723.
Die Schöpfung Hob. XXI:2 / Erster Teil: 5. Rezitativ: Und Gott sprach: Es sammle sich das Wasser
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7059a47fed20a8ba02a4b6850b20262a0d9271dbe85f55093b57130d6e90b35e. 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/DEF058731705.
Die Schöpfung Hob. XXI:2 / Zweiter Teil: 24. Arie: Mit Würd' und Hoheit angetan
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30dccb2a4f18217568cc4796f44cf33cdc442ed1a22d3ffc4d30af4e621385e8. 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/DEF058731724.
Die Schöpfung Hob. XXI:2 / Erster Teil: 6. Arie: Rollend in schäumenden Wellen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x460a448822f66e68d70f40df2430cd53ee32495878966a6f210ddf1f833ab277. 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/DEF058731706.
Die Schöpfung Hob. XXI:2 / Erster Teil: 7. Rezitativ: Und Gott sprach: Es bringe die Erde Gras hervor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5c79b5309c25decdd5a5a0fc3e5dfb504b881da5d6d271c08ebce7c9337f28f. 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/DEF058731707.
Die Schöpfung Hob. XXI:2 / Erster Teil: 8. Arie: Nun beut die Flur das frische Grün
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1ca3d0b1c3323df1329d2e27d0bbb3dc57a3f573a624bff7a7d70d22f8a5e5b. 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/DEF058731708.
Die Schöpfung Hob. XXI:2 / Erster Teil: 10. Chor: Stimmt an die Saiten
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa34c68226b6bde7009ba52b3c0988b05060e81f3ed4fd5bc7b9af9a0ce4ed54b. 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/DEF058731710.
Die Schöpfung Hob. XXI:2 / Erster Teil: 13. Chor mit Soli: Die Himmel erzählen die Ehre Gottes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9654ef3b958864450460011701f105a1140f2bc79b3ddaea3091bf661275fe3. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058731713.
Die Schöpfung Hob. XXI:2 / Dritter Teil: 32. Duett: Holde Gattin, dir zur Seite - Der tauende Morgen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d80043d1e78fa6bf72afa9b67d833d72603649e61f87f75454fb334729647f9. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-22T05:40:00Z), 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/DEF058731732.
Die Schöpfung Hob. XXI:2 / Zweiter Teil: 15. Arie: Auf starkem Fittiche schwinget sich der Adler stolz
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d50e2b65b3e2a131e4d2e367a73642724bf0ac1513e55372c767ffee5ea4e4d. 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/DEF058731715.
Die Schöpfung Hob. XXI:2 / Dritter Teil: 34. Schlußchor mit Soli: Singt dem Herren alle Stimmen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31e8e5e8fd1c67e7c3c7e61e634d57dd33ab72521f78e6bf6f7d835fbcfcd75a. 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/DEF058731734.
Die Schöpfung Hob. XXI:2 / Zweiter Teil: 16. Rezitativ: Und Gott schuf große Walfische
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd0babeb5b72d10e2b941c0da73758ff0a5a25736bd101db2a988fddec8d295a. 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/DEF058731716.
Die Schöpfung Hob. XXI:2 / Zweiter Teil: 19. Chor mit Soli: Der Herr ist groß in seiner Macht
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb732ca35c49e5caec4134d66f83fade9003afd36507cfa2898a39439b786740e. 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/DEF058731719.
Die Schöpfung Hob. XXI:2 / Zweiter Teil: 26. Chor: Vollendet ist das große Werk
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2779bf7b85deab5581acd57d0730f37e3efa646b9e8428120343c228ac813d0a. 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/DEF058731726.
Die Schöpfung Hob. XXI:2 / Zweiter Teil: 28. Chor: Vollendet ist das große Werk
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcead995d24861a13a19ea7c0a658a196b95151c79ea1ffcbda25fc998d0c3bc6. 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/DEF058731728.
Die Schöpfung Hob. XXI:2 / Dritter Teil: 30. Duett mit Chor: Von deiner Güt', o Herr und Gott - Der Sterne hellster, o wie schön
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x779da620dba69500535a3a5efbed26e3c6018609bfc6a2fde292968c7db9279c. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), registered by our 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/DEF058731730.
Kathleen Battle sings Sacred Music (Kathleen Battle Edition, Vol. 13)
Rejoice Greatly, O Daughter Of Zion - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x474714581ce6eb672ab6f1dd2949e53e8d078d3a1d89d01614081a661933cb62. 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/USAR28701080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59eb9fe9d9cfcb970f4dfde795da124baa20a264bcc84117254da542aa4ee116. 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/USAR28701109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b6c4d51b888b163a25c3000f53194c93fd33d553b1164f9c4e1496463b9a908. 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/USAR28701101.
Granados - Obradors - Montsalvatge - De Falla : Canciones Españolas (Spanish Songs)