ISRC DEFG21312403
Verified recording
DEFG21312403 is “Bassoon Concerto in F Major, Op. 75, J. 127: III. Rondo: Allegro” by Carl Maria von Weber,
registered on the CopyrightChains blockchain with CopyrightID
0x6a5820d49e02e59e775a876213f74caa8a972bc40be6a1f8154b4463bb33c7b6 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEFG21312403.
Recording identifiers
- ISRC
- DEFG21312403
- Title
- Bassoon Concerto in F Major, Op. 75, J. 127: III. Rondo: Allegro
- Artist
- Carl Maria von Weber
- CopyrightID (CopyrightChains transaction hash)
0x6a5820d49e02e59e775a876213f74caa8a972bc40be6a1f8154b4463bb33c7b6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:36ab7417319e6d704fa0dce55bf9ea84ced2c66ecec755121f04c8e8d3f5938e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEFG21312403
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Bassoon Concerto in F Major, Op. 75, J. 127: III. Rondo: Allegro · Machine-readable JSON-LD