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 0x690b224a4f56ff0ff6bd8df7910f5f79b749e49b159f7b976f15de371f157d75. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ed5bd5e9-3fc7-4679-8292-32655ff7322d.json and https://artists.proofprofile.net/proofs/artist/ed5bd5e9-3fc7-4679-8292-32655ff7322d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
J. Brahms, Intermezzo Op. 118 No. 2 in A major
J. Brahms, Intermezzo Op. 118 No. 1 in A minor
J. Brahms, Intermezzo Op 118. No. 4 in f minor
J. Brahms, Ballade Op. 118 No. 3 in G minor
J. Brahms, Rhapsody Op. 119 No. 4 in E flat major
J. Brahms, Intermezzo Op. 119 No. 3 in C major
J. Brahms, Romance Op. 118 No. 5 in F major
J. Brahms, Intermezzo Op. 119 No. 2 in e minor
J. Brahms, Intermezzo Op. 118 No. 6 in e flat minor
מלאכי - שלושה שירים מתוך ספרו של עמרי לבנת. סופרן, דניאלה סקורקה
אימת הריק, מתוך אמות כנולדת מאת צביה ליטבסקי. שירה, קרן הדר
F. Chopin, Etude Op. 25 No. 12 in C minor
F. Chopin, Nocturne Op. 48 No. 1 in C minor
F. Chopin, Etude Op. 10 No. 9 in F minor
F. Chopin, Etude Op. 10 No. 3 in E major
F. Chopin, Etude Op. 10 No. 12 in C minor "Revolutionary"
F. Chopin, Etude Op. 10 No. 5 in G flat major
C. Debbusy, The girl with the flaxen hair
E. Chausson, Concerto for Violin, Piano and String Quartet
R. Strauss, Ich wollt ein Sträusslein binden
A. Scriabin, Prelude Op. 35 No. 1 in D Flat Major, Allegro
A. Scriabin, Prelude Op 33 No. 2 in F sharp Major, Vagamente
A. Scriabin, Prelude Op. 35 No. 3 in C Major, Scherzoso
A. Scriabin, Piano Sonata No. 9 Op. 68, "Black Mass"
A. Scriabin, Prelude Op. 35 No. 2 in B Flat Major, Elevato
A. Scriabin, Poeme Op. 32 No. 1 in F sharp major
A. Scriabin, Prelude Op. 31 No. 4 in c major, Lento
A. Scriabin, Prelude Op. 31 No. 1 in D flat major
A. Scriabin, Prelude Op. 31 No. 2 in F sharp minor, Con Stravaganza
A. Scriabin, Poeme Op. 32 No. 2 in D major
Arie Vardi conducts Brahms, Piano concerto No. 1. 3rd mov.
Zubin Mehta conducts Beethoven (Piano concerto No. 5 In E flat major, The Emperor . 3rd Movement)
S. Prokofiev, Piano sonata No. 6 Op. 82, 2nd Mov.
S. Rachmaninoff, Sonata No. 1 in D minor Op. 28, 2nd Mov.
S. Prokofiev, Piano sonata No. 6 Op. 82, 1st Mov
S. Prokofiev, Piano sonata No. 6 Op. 82, 3rd Mov.
S. Prokofiev, Piano sonata No. 6 Op. 82, 4th Mov.
שיר ערש לאורי ואלה Lullaby for Ori and Ella
פואמת ״עץ שיטה במדבר״ קרן הדר, סופרן. צביה ליטבסקי, מילים
אהבת ליקוי לבנה - קרן הדר, שירה. למילותיו של צבי עצמון
מי זה אמר - קרן הדר, שירה. עזריאל קמון, מילים
Robert Schumann, Dichterliebe Op. 48 Arranged for Oboe, Cello and Piano
Robert Schumann, Tal Haim Samnon, Adagio and Allegro Op. 70 Arranged for Cello, Oboe and Piano
Clara Schumann, An einem lichten Morgen, Op. 23 No. 2 arranged for Oboe, Cello and Piano
Clara Schumann, Ich stand in dunkeln Träumen. Op. 13 No. 1 Arranged for Oboe, Cello and Piano
Imaginary Dances for Piano Solo by Tal Haim Samnon
Tickingless for two French Horns and Two Bassoons
Symphonia Solorum (Symphony of the Suns)
Meridies, Minuetus et Hora (Noon, Minuet and Hora)
Crepusculum Orientis (Twilight of the East)
Currus Noctis ad Auroram (Chariots of Night to Dawn)