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 0x32094a2a631a383cc83205ef0e16869cfd88221fc7a93df2b324ad05b09ce812. Chain 2 (Bitcoin): anchored in block 953860 (2026-06-15T23:55:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0372a824-b392-40b4-89f0-3a5ae3297ad4.json and https://artists.proofprofile.net/proofs/artist/0372a824-b392-40b4-89f0-3a5ae3297ad4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Michel van der Aa: Violin Concerto - Hysteresis
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 0x9c9e1a8601f4133076062d58d061a368c2851f9c53512daf09ad04c803c58628. 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/NLNF31500001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7aaaabcbe2814486e74a0e8a36161b165bcefc995e62da9f115302972a4b0665. 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/QMBZ91619549.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbdaeccd6ece0f6717225d32de934639afd7404a91cba561556ff94606aa2779. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QMBZ91619567.
Variazioni sopra un Tema di Niccolo Paganini
Reports from the Low Country, Concerto for Double Bass and Orchestra: I. Alberti
Netherlands Radio Philharmonic Orchestra
Reports from the Low Country, Concerto for Double Bass and Orchestra: II. Ricochet
Reports from the Low Country, Concerto for Double Bass and Orchestra: III. Slapping
For the Time Being: I. Inside Someone Else's Head
For the Time Being: II. Miles Away, "I want you and you are not here"
For the Time Being: III. And How Are We Today?, "The little people in the radio are picking on me again"
Four Studies: III. Adagio sostenuto cantabile
Michel van der Aa: Spaces of Blank - Mask - Imprint
van der Aa: Spaces of Blank: III. - Live
Ketting: Trajecten: I. Crotchet = 144 - Live
Ketting: Trajecten: II. Crotchet = 69 - Live
Ketting: Trajecten: III. Crotchet = 80 - Live
Ketting: Trajecten: IV. Crotchet = 54 - Live
Gubaydulina: Der Reiter auf dem weißen Pferd - Live
Six Épigraphes antiques: I. Pour invoquer Pan, dieu du vent d'été - 1914
Six Épigraphes antiques: II. Pour un tombeau sans nom - 1914
Six Épigraphes antiques: III. Pour que la nuit soit propice - 1914
Six Épigraphes antiques: IV. Pour la danseuse aux crotales - 1914
Six Épigraphes antiques: V. Pour l'Égyptienne - 1914
Six Épigraphes antiques: VI. Pour remercier la pluie au matin - 1914
Rekindle for Flute and Soundtrack - 2009
Toward the Sea III for Alto Flute and Harp: I. The Night - 1989
Toward the Sea III for Alto Flute and Harp: II. Moby Dick - 1989
Toward the Sea III for Alto Flute and Harp: III. Cape Cod - 1989
Vox Balaenae for Three masked Players: I. Vocalise for the Beginning of Time - 1971
Vox Balaenae for Three masked Players: II. Variations on Sea-Time - Sea Theme - 1971
Vox Balaenae for Three masked Players: III. Variations on Sea-Time - Archeozoic - 1971
Vox Balaenae for Three masked Players: IV. Variations on Sea-Time - Proterozoic - 1971
Vox Balaenae for Three masked Players: V. Variations on Sea-Time - Paleozoic - 1971
Vox Balaenae for Three masked Players: VI. Variations on Sea-Time - Mesozoic - 1971
Vox Balaenae for Three masked Players: VII. Variations on Sea-Time - Cenozoic - 1971
Vox Balaenae for Three masked Players: VIII. Sea-Nocturne for the End of Time - 1971
Vermont Counterpoint for Flute and Tape - 1982
Les Fils des Étoiles for Flute and Harp - 1975
All in Twilight: IV. - 1/4=100 ~ Slightly Fast
Electric Counterpoint: I. - for electric guitar and tape
Electric Counterpoint: II. - for electric guitar and tape
Electric Counterpoint: III. - for electric guitar and tape
Accanto - Musik für einen Klarinettisten mit Orchester
Orchestra del Maggio Musicale Fiorentino
van der Aa: Violin Concerto: III. - Live
Brewaeys: Along the Shores of Lorn - Live
Konzert für Klavier, Orchester und Electronics - Live
Here (To Be Found) - Für Stimme, Kammerorchester Und Soundtrack [Live]
Polyskopie - Musik für kleines Orchester [Live]
Orpheus' Bücher I - Für Stimmen und Orchester [Live]
N.n. - Für mobile Körper-Stimmen und stationäre Instrumente [Live]