1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xc9084c1bccccc9cbe440f6a640ef0b290ee0d8801ada1dd7fa840215b59b1a42. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/270de7e2-cf23-4853-aca3-b04e8534b9fd.json and https://artists.proofprofile.net/proofs/artist/270de7e2-cf23-4853-aca3-b04e8534b9fd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Gluck: Iphigenia in Aulis (Arr. R. Wagner)
Iphigenie en Aulide, Op. 77, Act II Scene 1: Lass deine Brust Freude durchwallen (Chorus, Iphigenia)
Iphigenie en Aulide, Op. 77, Act I Scene 1: O Artemis, Erzürnte (Agamemnon)
Iphigenie en Aulide, Op. 77, Act II Scene 1: Bald von Fürchten und bald von Hoffen (Iphigenia)
Iphigenie en Aulide, Op. 77, Act I Scene 2: Länger darfst du nicht widerstreben (Chorus, Kalchas, Agamemnon)
Iphigenie en Aulide, Op. 77, Act II Scene 2: Meine Tochter, bald macht Hymen dich glücklich! (Klytamnestra, Iphigenia)
Iphigenie en Aulide, Op. 77, Act I Scene 3: Du siehst, wie laut das Heer schon wütet (Agamemnon)
Iphigenie en Aulide, Op. 77, Act II Scene 3: March
Iphigenie en Aulide, Op. 77, Act I Scene 3: Klytamnestra mit der Tochter! (Chorus, Agamemnon, Kalchas)
Iphigenie en Aulide, Op. 77, Act II Scene 3: Singt laut und erhebt eure Königin! (Achilles, Chorus)
Iphigenie en Aulide, Op. 77, Act I Scene 4: Welch ein Reiz! Welche Majestät! (Chorus, Agamemnon, Kalchas)
Iphigenie en Aulide, Op. 77, Act II Scene 4: Der Ehe holder Gott! (Arcas, Achilles, Klytamnestra)
Iphigenie en Aulide, Op. 77, Act I Scene 4: Wie gern hört mein Ohr dieses schmeichelnde Lob (Klytamnestra)
Iphigenie en Aulide, Op. 77, Act II Scene 5: Ach, zum Tode verdammt (Klytamnestra, Achilles, Iphigenia)
Iphigenie en Aulide, Op. 77, Act I Scene 4: Menuetto
Iphigenie en Aulide, Op. 77, Act II Scene 5: Ja, mein Vater ist er (Iphigenia, Klytamnestra, Achilles)
Iphigenie en Aulide, Op. 77, Act I Scene 4: Die Liebe, durch die sie mich ehren (Iphigenia)
Iphigenie en Aulide, Op. 77, Act II Scene 6: Folg' mir, du Treuer! (Achilles, Arcas)
Iphigenie en Aulide, Op. 77, Act I Scene 5: Lasst uns allein! (Klytamnestra, Iphigenia)
Iphigenie en Aulide, Op. 77, Act II Scene 6: Ha! Er kommt! (Achilles, Agamemnon)
Iphigenie en Aulide, Op. 77, Act I Scene 5: Waffne dich mit zürnendem Mute (Klytamnestra)
Iphigenie en Aulide, Op. 77, Act II Scene 6: Wie du so kühn und frech mir drohst (Agamemnon, Achilles)
Iphigenie en Aulide, Op. 77, Act I Scene 6: Hab' ich recht gehört? (Iphigenia)
Iphigenie en Aulide, Op. 77, Act II Scene 7: Weh' mir! Welch ein Beginnen! (Agamemnon)
Iphigenie en Aulide, Op. 77, Act I Scene 7: Ist's ein Traum, der mich täuscht? (Achilles, Iphigenia)
Iphigenie en Aulide, Op. 77, Act III Scene 1: Nein, nein, nimmer dulden wir das (Chorus, Iphigenia, Arcas)
Iphigenie en Aulide, Op. 77, Act I Scene 7: Mein Bangen (Iphigenia, Achilles)
Iphigenie en Aulide, Op. 77, Act III Scene 2: Geliebte! Folge mir, fürchte nicht das Geschrei (Achilles, Iphigenia)
Iphigenie en Aulide, Op. 77, Act III Scene 2: Das los, das mir beschieden, will mutvoll ich ertragen (Iphigenia, Achilles)
Iphigenie en Aulide, Op. 77, Act III Scene 2: Der Priester, wagt er dir zu näh'n (Achilles)
Iphigenie en Aulide, Op. 77, Act III Scene 3: Er geht, er flieht! Ihr Götter! (Iphigenia, Chorus, Klytamnestra)
Iphigenie en Aulide, Op. 77, Act III Scene 3: Nichts vermag mein Geschick zu wenden (Iphigenia, Klytamnestra, Chorus)
Iphigenie en Aulide, Op. 77, Act III Scene 4: Meine Tochter! (Klytamnestra)
Iphigenie en Aulide, Op. 77, Act III Scene 5: Du Gottheit, groß und hehr, sei gnädig unser'm Werk! (Chorus, Klytamnestra)
Iphigenie en Aulide, Op. 77, Act III Scene 6: Finale. Lohn' uns das Blut, das deinem Altar fließe! (Chorus, Achilles, Iphigenia, Klytamnestra, Agamemnon, Kalchas, Artemis)
Iphigenie en Aulide, Op. 77: Ouverture (Concert Version)
Jephta und seine Tochter, Pt. 1: No. 2, So spricht der Herr
Jephta und seine Tochter, Pt. 1: No. 5, Herr, Gott, du allein bist der König
Jephta und seine Tochter, Pt. 1: No. 11, Stärket die müden Hände
Jephta und seine Tochter, Pt. 2: No. 31, So spricht der Herr
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 → block OTSBitcoinBlock must exist at that height 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 0x0845bc04bf6e74a755e3a2badd12bb579a533ad3791bea0c64f21b986a2f1efe. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962400516.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbefb6bd9f7fe83f179c337068bf0fcf64f4f73846aa2ee4aa982e9317b06192. 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/DEN962400517.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe98b150410c2040cbfd41171d3ef3bea503e5caf77b18d480d83a883df3c41e0. 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/DEN962400518.