ISRC DEF059103863
Verified recording
DEF059103863 is “Clarinet Concerto No. 2 in E-Flat Major, Op. 74, J. 118: III. Alla Polacca” by Carl Maria von Weber,
registered on the CopyrightChains blockchain with CopyrightID
0xc9404e1e96e403689d13f93a3ed22564ec87f04019cd4f1062474c2d59e23e75 and independently timestamped
in Bitcoin block 960095 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059103863.
Recording identifiers
- ISRC
- DEF059103863
- Title
- Clarinet Concerto No. 2 in E-Flat Major, Op. 74, J. 118: III. Alla Polacca
- Artist
- Carl Maria von Weber
- CopyrightID (CopyrightChains transaction hash)
0xc9404e1e96e403689d13f93a3ed22564ec87f04019cd4f1062474c2d59e23e75
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:07:37+00:00
- Bitcoin block
- 960095
- Canonical record hash
sha256:2c5cf16d5e1a700fd79ae5cbfed290ad1e07352eeee051cfc6ea1d3cb481c5a6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059103863
- Bitcoin block existence check
- https://blockstream.info/api/block/960095
Full record
Track page: Clarinet Concerto No. 2 in E-Flat Major, Op. 74, J. 118: III. Alla Polacca · Machine-readable JSON-LD