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 0xd24fde16596cac94e451d3985790a1771310b83d4d617464848672e509033f82. 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/1f016d1c-86e0-4e41-8ca4-0dcdef946a08.json and https://artists.proofprofile.net/proofs/artist/1f016d1c-86e0-4e41-8ca4-0dcdef946a08.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
La fille la est laide (Le gars la est laid Rmx)
La fille la est laide - Le gars la est laid Rmx
Capriccio, Op. 85, Scene 9: "La Roche, du bist gross" (Clairon, Olivier, Flamand, Soprano, Tenor, Graf)
Voices for Solo Tenor & Mezzo-Soprano, Chorus & Orchestra: Opening
Voices for Solo Tenor & Mezzo-Soprano, Chorus & Orchestra: Song of the Beggar
Voices for Solo Tenor & Mezzo-Soprano, Chorus & Orchestra: Song of the Drunkard
Voices for Solo Tenor & Mezzo-Soprano, Chorus & Orchestra: Song of the Suicide
Voices for Solo Tenor & Mezzo-Soprano, Chorus & Orchestra: Song of the Idiot
Voices for Solo Tenor & Mezzo-Soprano, Chorus & Orchestra: Song of the Leper
Voices for Solo Tenor & Mezzo-Soprano, Chorus & Orchestra: I Am, O Anxious One
Voices for Solo Tenor & Mezzo-Soprano, Chorus & Orchestra: As Once the Winged Energy of Delight
Voices for Solo Tenor & Mezzo-Soprano, Chorus & Orchestra: Voices
<GIUSEPPE VERDI> La Traviata/ Brindisi "Libiamo ne'lieti"(Drinking Song) (Verdi)
CINEMA CLASSICS Life Story Movies<Verdi; Caruso> : GIUSEPPE VERDI/THE GREAT CARUSO
<GIUSEPPE VERDI> La Traviata/ Parigi; o cara; noi lasceremo (Verdi)
<GIUSEPPE VERDI> Rigoletto/ La donna è mobile (Verdi)
<THE GREAT CARUSO> Aida / Celeste Aida (Verdi)
Bulgarian National Radio Symphony Orchestra
<THE GREAT CARUSO> Rigoletto/ 24. Bella figlia dell'amore (Verdi)
Orchestra of the Romanian Opera in Bucharest
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41e8cb93fa1259424e9da8508b995c0c05259353a07ab966dbbc3a724b94beda. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3EJYXPli3AMkhlNmX3UU8h.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3EJYXPli3AMkhlNmX3UU8h.
Frage und Antwort: II. - Blechbläserquintett
Frage und Antwort: III. - Blechbläserquintett