ISRC USASX0623516
Verified recording
USASX0623516 is “Duet No. 4 for 2 Flutes in F Major, Fk. 57 (arr. for flute and oboe): I. Allegro e moderato” by Wilhelm Friedemann Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xca5da86129e3a713dd493bb9a728395a4404da12c492a9acfd91d4f103d1fdc3 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0623516.
Recording identifiers
- ISRC
- USASX0623516
- Title
- Duet No. 4 for 2 Flutes in F Major, Fk. 57 (arr. for flute and oboe): I. Allegro e moderato
- Artist
- Wilhelm Friedemann Bach
- CopyrightID (CopyrightChains transaction hash)
0xca5da86129e3a713dd493bb9a728395a4404da12c492a9acfd91d4f103d1fdc3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:1caeb58601d1d4b51f6217879e8d9b109a6796f2fff162abede558c5c6560f57- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0623516
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Duet No. 4 for 2 Flutes in F Major, Fk. 57 (arr. for flute and oboe): I. Allegro e moderato · Machine-readable JSON-LD