ISRC DEF057300843
Verified recording
DEF057300843 is “Bassoon Concerto in B-Flat Major, K. 191: I. Allegro” by Dietmar Zeman,
registered on the CopyrightChains blockchain with CopyrightID
0xec364c615293606a7b384068f9fc17fe4b8a362cc88e8815dd43240e42d17f21 and independently timestamped
in Bitcoin block 960317 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057300843.
Recording identifiers
- ISRC
- DEF057300843
- Title
- Bassoon Concerto in B-Flat Major, K. 191: I. Allegro
- Artist
- Dietmar Zeman
- CopyrightID (CopyrightChains transaction hash)
0xec364c615293606a7b384068f9fc17fe4b8a362cc88e8815dd43240e42d17f21
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T21:35:24+00:00
- Bitcoin block
- 960317
- Canonical record hash
sha256:2110a1ca7fa3252716bbdebe8e011f8ba0477759909dd4bd2957f047e1aab104- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057300843
- Bitcoin block existence check
- https://blockstream.info/api/block/960317
Full record
Track page: Bassoon Concerto in B-Flat Major, K. 191: I. Allegro · Machine-readable JSON-LD