ISRC DERK61732211
Verified recording
DERK61732211 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
0x52479336d6036c8b63265992ba2db4c49b08d378ff8ea2d94676dbf7e940d20f and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERK61732211.
Recording identifiers
- ISRC
- DERK61732211
- Title
- Symphony No. 1 in C Major, Op. 21: I. Adagio molto - Allegro con brio
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x52479336d6036c8b63265992ba2db4c49b08d378ff8ea2d94676dbf7e940d20f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:e82381c2226de8e49840eb81537678332aae4968e99ef7681a10f417d6bf1270- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERK61732211
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: Symphony No. 1 in C Major, Op. 21: I. Adagio molto - Allegro con brio · Machine-readable JSON-LD