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 0x0ac65a9f5ad960ab48a3fcd00d32a92f19e5021afa8c3ffc20dc558a3f79850d. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5b2b6e0f-1db0-4782-9f5e-c873279dbdb5.json and https://artists.proofprofile.net/proofs/artist/5b2b6e0f-1db0-4782-9f5e-c873279dbdb5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x16171bf382223e9b7f5ab2cac7dafcf2dd6ff52798d1b6563813e017328696bb. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/GBAJY9806705.
The Arkansas Traveller "Old Fiddlers' Breakdown" (Arr. Guion & Schmid)
Woodland Sketches, Op. 51: I. To a Wild Rose (Arr. Woodhouse)
Promenade "Walking the Dog" (Arr. Berkowitz)
Babes in Toyland: The March of the Toys (Arr. Langey)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04a12aabaa4a35c2352c1da269253aebbe1c3840019d47077666cf7a0c4c1baa. 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/GBAJY9806716.
Water Scenes, Op. 13: IV. Narcissus (Arr. Myddleton)
Symphony No. 5½ "A Symphony for Fun": I. Perpetual Emotion
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee413b56a07135bf53936b6a49a49fb18aacde24a318e5d6525491dad379b421. 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/GBAJY9806718.
Symphony No. 5½ "A Symphony for Fun": II. Spiritual?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2eff6204155a07d0fc82da117e4b2eedc9d9e82ebe572a72e5877a527628600. 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/GBAJY9806719.
Symphony No. 5½ "A Symphony for Fun": III. Scherzofrenia
Symphony No. 5½ "A Symphony for Fun": IV. Conclusion!
Symphonic Wind Orchestra Harmonie St. Michaël Thorn
Paris Sketches: Saint Germain des Prés (Andante)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d21978d9898b4ad97837cd1b7cdde13f43b291cca1c154809e28e86292d77fe. 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/NLC352121129.
Pictures at an exibition: Promenade - Gnome
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f8b692c6abe43c23b98be2f7e4e74f3312e1d076dd4b6e40721c52adea4ea50. 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/NLC352121130.
Paris Sketches: Père Lachaise (Lent et Triste)
Pictures at an exibition: Promenade - Old Castle
Paris Sketches: Les Halles (Allegro Molto)
Pictures at an exibition: Promenade - Tuileries
Pictures at an exibition: Bydlo (Oxcart)
Concerto for violin and wind orchestra: Andante con moto
Pictures at an exibition: Promenade - Ballet of chickens in their shells
Concerto for violin and wind orchestra: a) Notturno - b) Cadenza - c) Serenata
Pictures at an exibition: Samuel Goldenberg & Schmuyle
Concerto for violin and wind orchestra: Allegro molto, un poco agitato
Pictures at an exibition: Market at Limoges
Pictures at an exibition: Catacombs - Cum mortuis in lingua mortua
Pictures at an exibition: Hut on fowl's legs
Pictures at an exibition: Great gate of Kiev
John Culshaw - The Art of the Producer - The Early Years 1948-55
Nocturne No. 20 in C-Sharp Minor, KK IVa/16 - 1951 Recording
From Jewish Life, B 54: II. Supplication
From Jewish Life, B 54: III. Jewish Song
Portrait of a Frontier Town: I. Chamber of Commerce
Portrait of a Frontier Town: II. Where the West begins
Portrait of a Frontier Town: III. Ranch House Party
Portrait of a Frontier Town: IV. Prairie Sunset
Portrait of a Frontier Town: V. Main Street Saturday Night
Fantasiestücke, Op. 12: VII. Traumes Wirren
Fantasiestücke, Op. 12: VIII. Ende vom Lied
Cello Concerto, Op. 22: I. Allegro moderato
Cello Concerto, Op. 22: II. Andante sostenuto
Cello Concerto, Op. 22: III. Molto allegro e appassionato trattenuto
Medea, Ballet Suite, Op. 23: II. Choros. Medea and Jason
Medea, Ballet Suite, Op. 23: III. The Young Princess. Jason
21 Hungarian Dances, WoO 1: Hungarian Dance No. 5 in G Minor. Allegro (Orch. Schmeling)
Members Of The BBC National Orchestra Of Wales
The Well-Tempered Clavier, Book 1: Prelude No. 1 in C Major BWV 846/1
Symphony No. 40 in G Minor, K. 550: I. Molto allegro
Symphonic Variations on an African Air, Op. 63
Symphony No. 5: I. Trauermarsch - Live at Philharmonie, Berlin, 1993
Serenade No. 4 in D Major, K. 203: 2. (Andante)
Idomeneo, re di Creta, K.366 / Act 2: "Se il padre perdei"
Symphony No. 2 In C Minor - "Resurrection" / 1st Movement - Allegro maestoso (Totenfeier): Allegro maestoso
Symphony No. 5: II. Stürmisch bewegt, mit größter Vehemenz - Live at Philharmonie, Berlin, 1993
Serenade No. 4 in D Major, K. 203: 3. Menuetto
Symphony No. 2 in C Minor, Op. 17, TH 25 "Ukrainian": IV. Finale. Moderato assai - Allegro vivo
L'Africaine / Act 4: "Mi batte il cor...O Paradiso"
Così fan tutte, K.588 / Act 2: Ei parte...Senti... - Per pietà, ben mio, perdona
Symphony No. 9 in D Minor, Op. 125 "Choral": III. Adagio molto e cantabile - Live
Symphonieorchester des Bayerischen Rundfunks
Members Of The London Symphony Orchestra
Prélude à l'après-midi d'un faune, CD 87a
Symphony No. 3 In C Minor, Op. 78 "Organ Symphony": 2b. Maestoso - Più allegro - Molto allegro
The Planets, Op. 32: IV. Jupiter, the Bringer of Jollity
Serenade No. 4 in D Major, K. 203: 5. Menuetto
Symphony No. 9 in E minor, Op. 95 "From the New World": 2. Largo
Lucia di Lammermoor / Act 3: "Tombe degli avi miei...Fra poco a me ricovero"
The Sound of Music - Arr. Chris Hazell: Climb ev'ry mountain (The Sound of Music)