ISRC DEF057702711
Verified recording
DEF057702711 is “Symphony No. 1 in C Major, Op. 21: I. Adagio molto – Allegro con brio - Recorded 1977” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x5be15abb581d7f6e3d2b799bcc04e10c43820a086539ca357a8a35fe7f2de688 and independently timestamped
in Bitcoin block 960216 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057702711.
Recording identifiers
- ISRC
- DEF057702711
- Title
- Symphony No. 1 in C Major, Op. 21: I. Adagio molto – Allegro con brio - Recorded 1977
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x5be15abb581d7f6e3d2b799bcc04e10c43820a086539ca357a8a35fe7f2de688
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T06:39:12+00:00
- Bitcoin block
- 960216
- Canonical record hash
sha256:09807b5014c69d9c658c2f518a40605318e3a83709ae7d99d637827ba3924c76- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057702711
- Bitcoin block existence check
- https://blockstream.info/api/block/960216
Full record
Track page: Symphony No. 1 in C Major, Op. 21: I. Adagio molto – Allegro con brio - Recorded 1977 · Machine-readable JSON-LD