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 0xe03b5232d3a759407dba6f75188d66f640685d783fdb1fd992cf17bd20443d77. Chain 2 (Bitcoin): anchored in block 954019 (2026-06-16T23:44:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/363e93f4-6ecb-4e03-976d-a8920c0c6fe7.json and https://artists.proofprofile.net/proofs/artist/363e93f4-6ecb-4e03-976d-a8920c0c6fe7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
6 Studies in English Folksong (Version for Cello & Piano): No. 3, Larghetto "Van Dieman's Land"
Variations on an Original Theme, Op. 36 "Enigma" (Featured in "Elizabeth")
6 Songs from a Shropshire Lad: No. 2, When I was one-and-twenty
Victoria and Merrie England, Scene 8: Finale. Britannia - The Albert Memorial - God Save the Queen
The Planets, Op. 32, H. 125: IV. Jupiter, the Bringer of Jollity
4 Short Pieces for Violin & Piano, H. 104: No. 2, Spring Song (Version for Cello & Piano)
2 Pieces for Strings from Henry V: No. 2, Touch Her Soft Lips and Part
String Quartet in E Minor, Op. 1: II. Allegro molto leggiero
Nocturnal After John Dowland, Op. 70 (Reflections on "Come, Heavy Sleep"): VIII. Passacaglia
English Dances, Set 2, Op. 33: No. 2, Con brio
Rondo for Dancing (Version for 2 Violins & Cello)
4 Pictures for Piano Duet: No. 2, Quite Slow and Thoughtful
5 Bagatelles, Op. 23a (Arr. L. Ashmore for Clarinet & Strings): No. 4, Forlana. Allegretto grazioso
3 Winter Poems: No. 3, Serenade, "Snow Shower"
6 Songs, Op. 33, No. 4. The November Piano: 6 Songs, Op. 33: No. 4, The November Piano
The Triumph of Neptune: Dance of the Fairy Princess
Pastyme with good company: Pastime with Good Company
Andantino, Op. 21, No. 2a: Andantino for Cello and Piano, Op. 21, No. 2a
Petite suite de concert, Op. 77: III. Un Sonnet d'Amour
Symphony No. 5 in D Major: I. Allegro con molto spirito
Maritana, Act I: Romance. I hear It again (Maritana) - Chorus. Listen pilgrim, list [Chorus]
A Downland Suite: III. Minuet. Allegretto grazioso (Version for String Orchestra)
Symphony No. 2 in D Minor, "Elegiac": III. Scherzo. Allegro con fuoco
English Suite No. 1, Op. 12: VI. Carnival
Ian Venables: Requiem, Herbert Howells: Anthems for Choir & Orchestra
Four Anthems: I. O pray for the peace of Jerusalem - Orchestrated by Jonathan Clinch
Four Anthems: III. Like as the hart desireth the waterbrooks - Orchestrated by Howard Eckdahl
Three Motets for Choir and Organ: II. The House of the Mind
Requiem, Op. 48: I. Introit (Requiem aeternam)
Rhapsody 'In memoriam Herbert Howells' Op. 25 - For Solo Organ
Ian Venables: "The Song of the Severn" - Song Cycles and Songs
The Song of the Severn, Op. 43: I. On Malvern Hill
The Song of the Severn, Op. 43: II. How Clear, How Lovely Bright
The Song of the Severn, Op. 43: III. Elgar's Music
The Song of the Severn, Op. 43: IV. Laugh and Be Merry
The Song of the Severn, Op. 43: V. The River in December
Pine Boughs Past Music, Op. 39: I. My Heart Makes Songs on Lonely Roads
Pine Boughs Past Music, Op. 39: II. Soft Rain
Pine Boughs Past Music, Op. 39: III. The Wind
Pine Boughs Past Music, Op. 39: IV. In Memoriam: Ivor Gurney
The Night has a Thousand Eyes, Op. 41, No. 2
The Invitation to the Gondola, Op. 22, No. 3
Piano Quintet, Op. 27: I. Adagio espressivo - Allegro ma non troppo
Piano Quintet, Op. 27: II. Largo sspressivo - Doppio movemente - Tempo I
Piano Quintet, Op. 27: III. Allegro moderato con spirito - Adagio e molto espressivo
Suite, Op. 4, "The Stourhead Follies": I. Temple to Apollo
Suite, Op. 4, "The Stourhead Follies": II. Palladio's Bridge
Suite, Op. 4, "The Stourhead Follies": III. Pantheon
Suite, Op. 4, "The Stourhead Follies": IV. The Grotto
3 Short Pieces, Op. 5: No. 2. Dance of the Teddy Bears
Impromptu, Op. 8, "The Nightingale and the Rose"
Piano Sonata, Op. 1, "In memoriam D.S.C.H.": I. Molto adagio - Allegro energico
Piano Sonata, Op. 1, "In memoriam D.S.C.H.": II. Allegro scherzando
Piano Sonata, Op. 1, "In memoriam D.S.C.H.": III. Molto adagio ed espressivo
Venables: On the Wings of Love - Venetian Songs
On the Wings of Love, Op. 38: I. Ionian Song
On the Wings of Love, Op. 38: II. The Moon Sails Out
On the Wings of Love, Op. 38: III. Sonnet XI
On the Wings of Love, Op. 38: IV. Epitaph
On the Wings of Love, Op. 38: V. When you Are Old
Love's Voice, Op. 22: I. Fortunate Isles
Love's Voice, Op. 22: II. The Passing Stranger
Love's Voice, Op. 22: III. The Invitation to the Gondola
6 Songs, Op. 33, No. 5. Break, break, break: 6 Songs, Op. 33: No. 5, Break, break, break
6 Songs, Op. 33, No. 3. Vitae Summa Brevis: 6 Songs, Op. 33: No. 3, Vitae Summa Brevis
2 Songs, Op. 28, No. 1. Flying Crooked: 2 Songs, Op. 28: No. 1, Flying Crooked
2 Songs, Op. 28, No. 2. At Midnight: 2 Songs, Op. 28: No. 2, At Midnight
6 Songs, Op. 33, No. 6. The Hippo: 6 Songs, Op. 33: No. 6, The Hippo
Album d'un voyageur, S. 156/R. 8, Book I, "Impressions et Poesies": A Kiss, Op. 15
Invite, to Eternity Op. 31 - Born Upon an Angel's Breast
Invite, to Eternity Op. 31 - An Invite, to Eternity
Invite, to Eternity Op. 31 - Evening Bells
Four Songs with String Quartet - Flying Crooked
Four Songs with String Quartet - The Hippo
Four Songs with String Quartet - At Midnight
String Quartet Op. 32 - Allegro con energia; meno mosso ed appassionat; piu vivo
String Quartet Op. 32 - Allegretto scherzando
String Quartet Op. 32 - Adagio e molto exprssivo; presto agitato
I Caught the Changes of the Year, Op. 45
Through These Pale Cold Days, Op. 46: II. Procrastination
Remember This, Op. 40: IV. In the Grip of Their Season
Six Songs for Tenor, Soprano or Baritone and Piano, Op. 33: I. The Way Through
Songs for Soprano and Piano, Op. 37: III. Aurelia
Songs for Baritone or Mezzo Soprano and Piano, Op. 41: VI. Chamber Music No. 3
Songs for Soprano and Piano, Op. 37: I. Love Lives Beyond the Tomb
Six Songs for Tenor, Soprano or Baritone and Piano, Op. 33: II. It Rains
Remember This, Op. 40: I. Think of the Failing Body
Remember This, Op. 40: In the Swirl of Its Pool
Remember This, Op. 40: III. Think of the Flower-Lit Coffin
Remember This, Op. 40: V. Think of the Standard and Its Blaze
Remember This, Op. 40: VI. On the Crest of Their Downs
Remember This, Op. 40: VII. Think of the Buried Body Laid
Remember This, Op. 40: VIII. In the Eyes of Our Minds
Through These Pale Cold Days, Op. 46: I. The Send-Off
Through These Pale Cold Days, Op. 46: III. Through These Pale Cold Days
Through These Pale Cold Days, Op. 46: IV. Suicide in the Trenches
Through These Pale Cold Days, Op. 46: V. If You Forget
6 Songs from a Shropshire Lad: No. 1, Loveliest of Trees
6 Songs from a Shropshire Lad: No. 2, When I Was One-and-twenty
6 Songs from a Shropshire Lad: No. 3, Look Not in My Eyes
6 Songs from a Shropshire Lad: No. 4, Think No More, Lad
6 Songs from a Shropshire Lad: No. 5, The Lads in Their Hundreds
6 Songs from a Shropshire Lad: No. 6, Is My Team Ploughing?
We'll to the Woods No More: No. 2, In Boyhood
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 0x17918659024670d3b3fe2b1188b121c4623f77de596e2c8408d22aaebc721e83. 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/GBBZS1717714.
7 Elizabethan Lyrics, Op. 12: No. 1, Weep You No More
7 Poems of James Joyce: No. 4, The Pleasant Valley
Folk Song Arrangements, Vol. 1 "British Isles": No. 1, The Salley Gardens
Folk Song Arrangements, Vol. 3 "British Isles": No. 1, The Plough Boy
Let Us Garlands Bring, Op. 18: No. 1, Come Away, Come Away, Death
Let Us Garlands Bring, Op. 18: No. 2, Who is Silvia?
Let Us Garlands Bring, Op. 18: No. 3, Fear No More the Heat o' the Sun
Let Us Garlands Bring, Op. 18: No. 4, O Mistress Mine
Let Us Garlands Bring, Op. 18: No. 5, It Was a Lover and His Lass
The Chapel Choir of the Royal Hospital Chelsea
Songs of Farewell: No. 4, There Is an Old Belief
I Vow to Thee, My Country, H. 148 (Arr. for Choir & Organ)
3 Motets, Op. 38: No. 1, Justorum animae
Ode to Death, Op. 38, H. 144 (Arr. I. Farrington)
Requiem in D Minor, Op. 48 (Arr. I. Farrington): I. Introit et Kyrie
Requiem in D Minor, Op. 48 (Arr. I. Farrington): II. Offertoire
Requiem in D Minor, Op. 48 (Arr. I. Farrington): III. Sanctus
Requiem in D Minor, Op. 48 (Arr. I. Farrington): IV. Pie Jesu
Requiem in D Minor, Op. 48 (Arr. I. Farrington): V. Agnus Dei
Requiem in D Minor, Op. 48 (Arr. I. Farrington): VI. Libera me
Requiem in D Minor, Op. 48 (Arr. I. Farrington): VII. In paradisum
The Beacon (text by F.W. Harvey and F. Mansell): No. 1. On Painswick Beacon
The Beacon (text by F.W. Harvey and F. Mansell): No. 3. Cotswold Choice
On Wenlock Edge: From far, from eve & morning
On Wenlock Edge: Oh, when I was in love with you
Ludlow & Theme: When smoke stood up from Ludlow
Ludlow & Theme: Fair in a western brookland
Ludlow & Theme: Tis time, I think, by Wenlock town
Ludlow & Theme: On the idle hill of summer
Ludlow & Theme: When I was one ant twenty
Songs of Eternity & Sorrow Op. 36: Easter Hymn
Songs of Eternity & Sorrow Op. 36: When green buds hang in the elm like dust
Songs of Eternity & Sorrow Op. 36: Oh who is that young sinner?
Songs of Eternity & Sorrow Op. 36: Because I liked you better
Venables and Vaughan Williams: Portraits of a Mind; On Wenlock Edge; Four Hymns
On Wenlock Edge: II. From Far, From Eve and Morning
On Wenlock Edge: III. Is My Team Ploughing?
On Wenlock Edge: IV. Oh, When I Was in Love With You
Portraits of a Mind: I. The Lark Ascending
Portraits of a Mind: II. Man Makes Delight His Own
Portraits of a Mind: III. From a Railway Carriage
Portraits of a Mind: V. A Clear Midnight
Four Hymns: IV. Evening Hymn (O Gladsome Light)
Ludlow and Teme: No. 1, When Smoke Stood Up from Ludlow
Ludlow and Teme: No. 2, Far in a Western Brookland
Ludlow and Teme: No. 3, 'Tis Time, I Think, by Wenlock Town
Ludlow and Teme: No. 5, On the Idle Hill of Summer
Ludlow and Teme: No. 6, When I Was One and Twenty
The Land of Lost Content: No. 2, Ladslove
Fish in the Unruffled Lakes: No. 1, To Lie Flat on the Back
Fish in the Unruffled Lakes: No. 2, Night Covers Up the Rigid Land
Fish in the Unruffled Lakes: No. 3, Fish in the Unruffled Lakes
Fish in the Unruffled Lakes: No. 4, The Sun Shines Down
Fish in the Unruffled Lakes: No. 5, What's in Your Mind?
Fish in the Unruffled Lakes: No. 6, Underneath the Abject Willow
We'll to the Woods No More: No. 1, We'll to the Woods No More
We'll to the Woods No More: No. 3, Spring Will Not Wait
Songs of Eternity and Sorrow, Op. 36a: No. 4, Because I Liked You Better
Cello Sonata: IV. Rondo gioviàle animato
Lullaby, Op. 57 No. 2 (Arr. for Cello & Piano)
10 Songs, Volume 1: No. 4, Down by the Salley Gardens
Oh Fair to See, Op. 13: No. 1, I Say 'I'll Seek Her Side'
Oh Fair to See, Op. 13: No. 2, Oh Fair to See
Oh Fair to See, Op. 13: No. 3, As I Lay in the Early Sun
Oh Fair to See, Op. 13: No. 4, Only the Wanderer
Oh Fair to See, Op. 13: No. 7, Since We Loved
6 Songs, Op. 33: No. 3, Vitae Summa Brevis
The Land of Lost Content: No. 1, The Lent Lily
The Land of Lost Content: No. 3, Goal and Wicket
The Land of Lost Content: No. 4, The Vain Desire
The Land of Lost Content: No. 5, The Encounter
The Land of Lost Content: No. 6, Epilogue
Flute Sonata, Op. 23 (Version for Violin & Piano): I. Lento - Andante - Lento
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fc585620626dc2e854ae584f4ee1a5c85736905929f66b4ce74a7f150fd65db. 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/GBBZS2570001.
Flute Sonata, Op. 23 (Version for Violin & Piano): II. Allegro scherzando - Andante - Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b48668684933d480ef57ffcb8be9c96d2e1eb8a3366ed6deb0c73aa26e1be24. 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/GBBZS2570002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc03c125d6b54aeb79e4bf72571eb4155530c6eb07ca7fe362c4a0c68cc86f3de. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/GBBZS2570004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f552fa93da7ff78568057770667cf4e64422b1265a33d865bcbec6afc91bf80. 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/GBBZS2570005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a82a32cb64405e39c2642ee6a0150520e93895a943fbb6e58ab25b49af139b2. 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/GBBZS2570006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x919b85dadd132678c38561563d3d696faece1b339a37a2ee666f1a853378ddb6. 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/GBBZS2570007.
3 Pieces for Violin & Piano, Op. 11: No. 1, Pastorale
3 Pieces for Violin & Piano, Op. 11: No. 2, Romance
3 Pieces for Violin & Piano, Op. 11: No. 3, Dance