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 0xc3983d477aa28220c1242d0bcc5c5c80cdfdef2ddd8588e99c9865423e3e57bf. Chain 2 (Bitcoin): anchored in block 954638 (2026-06-21T03:45:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d4903ebe-9050-4b85-bb99-ce04ad0fde6c.json and https://artists.proofprofile.net/proofs/artist/d4903ebe-9050-4b85-bb99-ce04ad0fde6c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Nocturne No. 2 in E-Flat Major, Op. 9, No. 2
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 0x290f65107fb070cc7246eb323b8d21f8474113f9628aaed7ea6f0f6d9a93aaf8. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/GBCJG0400054.
Kinderszenen (Scenes of Childhood), Op. 15: No. 7. Traumerei (Dreaming)
Lyric Pieces, Book 3, Op. 43: No. 1. Butterfly
The Way Through the Woods: The way through the woods
Lyric Pieces, Book 3, Op. 43: No. 4. Little bird
Piano Sonata No. 14 in C-Sharp Minor, Op. 27, No. 2, "Moonlight": III. Presto agitato
Dolly Suite, Op. 56: IV. Kitty-valse (arr. for piano)
Lyric Pieces, Op. 43: Lyric Pieces, Book 3, Op. 43: No. 4, Little bird
Dolly Suite, Op. 56: IV. Kitty-valse (Arr. For piano)
4 Impromptus, Op. 90, D. 899: No. 1 in C Minor
Sonnets from the Portuguese: Sonnet 14: If thou must love me …
4 Impromptus, Op. 90, D. 899: No. 2 in E-Flat Major
The Sonnets: Sonnet 15: When I Consider Every Thing That Grows
The Sonnets: Sonnet 57: Being Your Slave, What Should I Do But Tend
4 Impromptus, Op. 90, D. 899: No. 3 in G-Flat Major
The Sonnets: Sonnet 138: When My Love Swears That She Is Made Of Truth
The Sonnets: Sonnet 94: They That Have Pow'r To Hurt, And Will Do None
The Sonnets: Sonnet 145: Those Lips That Love's Own Hand Did Make
Piano Sonata No. 16 in C Major, K. 545, "Sonata facile": II. Andante
The Princess: Now Sleeps the Crimson Petal
La Belle Dame Sans Merci (The Beautiful Lady without Pity)
4 Impromptus, Op. 90, D. 899: No. 4 in A-Flat Major
The Sonnets: Sonnet 1: From Fairest Creatures We Desire Increase
The Sonnets: Sonnet 3: Look In Thy Glass and Tell the Face Thou Viewest
The Sonnets: Sonnet 20: A Woman's Face With Nature's Own Hand Painted
The Sonnets: Sonnet 8: Music to hear, Why Hear'st Thou Music Sadly
The Sonnets: Sonnet 9: Is It for Fear to Wet a Widow's Eye
The Sonnets: Sonnet 18: Shall I Compare Thee to a Summer's Day?
The Sonnets: Sonnet 17: Who Will Believe My Verse In Time to Come
The Sonnets: Sonnet 27: Weary With Toil, I Haste to Go to My Bed
The Sonnets, Sonnet 23: As an Unperfect Actor On the Stage
The Sonnets: Sonnet 30: When to the Sessions of Sweet Silent Through
The Sonnets: Sonnet 34: Why Didst Thou Promise Such a Beauteous Day
The Sonnets: Sonnet 29: When In Disgrace With Fortune and Men's Eyes
The Sonnets: Sonnet 54: O How Much More Doth Beauty Beauteous Seem
The Sonnets: Sonnet 33: Full Many a Glorious Morning Have I Seen
The Sonnets: Sonnet 60: Like as the Waves Make Towards the Pebbled Shore
The Sonnets: Sonnet 55: Not Marble nor the Gilded Monuments
The Sonnets: Sonnet 62: Sin of Self-Love Possesseth All Mine Eye
The Sonnets: Sonnet 2: When Forty Winters Shall Besiege Thy Brow
The Sonnets: Sonnet 71: No Longer Mourn for Me When I Am Dead
The Sonnets: Sonnet 73: That Time of Year Thou Mayst In Me Behold
The Sonnets: Sonnet 91: Some Glory In Their Birth, Some, Some in Their Skill
The Sonnets: Sonnet 97: How Like a Winter Hath My Absence Been
The Sonnets: Sonnet 106: When In the Chronicle of Wasted Time
The Sonnets: Sonnet 141: In Faith, I Do Not Love Thee With Mine Eyes
The Sonnets: Sonnet 116: Let Me Not to the Marriage of True Minds
The Sonnets: Sonnet 144: Two Loves I Have, of Comfort and Despair
The Sonnets: Sonnet 128: How Oft, When Thou, My Music, Music Play'st
The Sonnets: Sonnet 130: My Mistress' Eyes Are Nothing Like the Sun
The Sonnets: Sonnet 143: Lo, as a Careful Huswife Runs to Catch
The Sonnets: Sonnet 129: Th'Expense of Spirit In a Waste of Shame
The Sonnets: Sonnet 123: No! Time, Thou Shalt Not Boast That I Do Change
The Sonnets: Sonnet 57: Being Your Slave, What Should I Do but Tend
The Sonnets: Sonnet 138: When My Love Swears That She Is Made of Truth
The Sonnets: Sonnet 94: They That Have Pow'r to Hurt, and Will Do None
Sonata No. 16 in C Major, K. 545, "Sonata facile": II. Andante
La Belle Dame Sans Merci (the Beautiful Lady without Pity)
Fairy Fantasy (A) (Music and Verse of Fairyland)
Preludes, Book 1: No. 11. La danse de Puck
A Child's Garden of Verses: The Little Land
A Midsummer Night's Dream: Over hill over dale
The Fairy Queen, Z. 629, Act III: Dance for the Fairies
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7468da7c8ba5baa6f928f8852819ca0a91b57cfc8ffece2a0f7680f932101602. 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/GBCJG0300337.
Ein Sommernachtstraum, Op. 61, MWV M13: A Midsummer Night's Dream, Op. 61, Act II: Scherzo
Ein Sommernachtstraum, Op. 61, MWV M13: A Midsummer Night's Dream, Op. 61, Act III: Nocturne
Children's Corner: III. Serenade for a Doll
La boutique fantasque, P. 120 (after Rossini): VII. Nocturne
The Nutcracker, Op. 71: Act I Tableau II: Waltz of the snowflakes
The Nutcracker, Op. 71: Act II Tableau III: Divertissement: a. Chocolate - Spanish Dance
The Nutcracker, Op. 71: Act II Tableau III: Divertissement: b. Coffee - Arabian Dance
The Nutcracker, Op. 71: Act II Tableau III: Divertissement: c. Tea - Chinese Dance
The Nutcracker, Op. 71: Act II Tableau III: Divertissement: d. Trepak - Russian Dance
The Nutcracker, Op. 71: Act II Tableau III: Divertissement: e. Dance of the Merlitons
The Nutcracker, Op. 71: Act II Tableau III: Divertissement: f. Mother Gigogne and the clowns
The Nutcracker, Op. 71: Act II Tableau III: Dance of the Sugar-Plum Fairy
A Midsummer Night's Dream: You Spotted Snakes
The Sonnets: Sonnet 3: Look In Thy Glass And Tell The Face Thou Viewest
The Sonnets: Sonnet 8: Music To hear, Why Hear'st Thou Music Sadly
The Sonnets: Sonnet 9: Is It For Fear To Wet A Widow's Eye
The Sonnets: Sonnet 18: Shall I Compare Thee To A Summer's Day?
The Sonnets: Sonnet 17: Who Will Believe My Verse In Time To Come
The Sonnets: Sonnet 27: Weary With Toil, I Haste To Go To My Bed
The Sonnets: Sonnet 23: As An Unperfect Actor On The Stage
The Sonnets: Sonnet 30: When To The Sessions Of Sweet Silent Through
The Sonnets: Sonnet 34: Why Didst Thou Promise Such A Beauteous Day
The Sonnets: Sonnet 29: When In Disgrace With Fortune And Men's Eyes
The Sonnets: Sonnet 33: Full Many A Glorious Morning Have I Seen
The Sonnets: Sonnet 60: Like As The Waves Make Towards The Pebbled Shore
The Sonnets: Sonnet 55: Not Marble Nor The Gilded Monuments
The Sonnets: Sonnet 62: Sin Of Self-Love Possesseth All Mine Eye
The Sonnets: Sonnet 71: No Longer Mourn For Me When I Am Dead
The Sonnets: Sonnet 73: That Time Of Year Thou Mayst In Me Behold
The Sonnets: Sonnet 97: How Like A Winter Hath My Absence Been
The Sonnets: Sonnet 106: When In The Chronicle Of Wasted Time
The Sonnets: Sonnet 116: Let Me Not To The Marriage Of True Minds
The Sonnets: Sonnet 144: Two Loves I Have, Of Comfort And Despair
The Sonnets: Sonnet 130: My Mistress' Eyes Are Nothing Like The Sun
The Sonnets: Sonnet 143: Lo, As A Careful Huswife Runs To Catch
The Sonnets: Sonnet 129: Th'Expense Of Spirit In A Waste Of Shame
Rose, B.: Choral Sacred Music (Evensong)
In Pastures Green - A Meditation in Psalms, Poems and Music
Away in A Manger (A Children's Nativity)