ISRC DEF059303381
Verified recording
DEF059303381 is “Symphony No. 1 in C Major, Op. 21: I. Adagio molto - Allegro con brio” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xcf64df771da50389f82e61ba69d8e3c2de6fa80669148464303d321eb48862e8 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059303381.
Recording identifiers
- ISRC
- DEF059303381
- Title
- Symphony No. 1 in C Major, Op. 21: I. Adagio molto - Allegro con brio
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xcf64df771da50389f82e61ba69d8e3c2de6fa80669148464303d321eb48862e8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:30b580779cdb7552ff8f665c454376750a9806066672fa82358cf970a4617630- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059303381
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Symphony No. 1 in C Major, Op. 21: I. Adagio molto - Allegro con brio · Machine-readable JSON-LD