ISRC DERK61732212

Verified recording

DERK61732212 is “Symphony No. 1 in C Major, Op. 21: II. Andante cantabile con moto” by Ludwig van Beethoven, registered on the CopyrightChains blockchain with CopyrightID 0xd2d5778a106a0307dd1bb2c51302203d488a847339e4f64f1aca5f8f41b72d61 and independently timestamped in Bitcoin block 960418 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERK61732212.

Recording identifiers

ISRC
DERK61732212
Title
Symphony No. 1 in C Major, Op. 21: II. Andante cantabile con moto
Artist
Ludwig van Beethoven
CopyrightID (CopyrightChains transaction hash)
0xd2d5778a106a0307dd1bb2c51302203d488a847339e4f64f1aca5f8f41b72d61

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15+00:00
Bitcoin block
960418
Canonical record hash
sha256:67c0b9a12a26bef4ff79960577a4b4fd580fa8c5f0dc821202a49b4774424723
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERK61732212
Bitcoin block existence check
https://blockstream.info/api/block/960418

Full record

Track page: Symphony No. 1 in C Major, Op. 21: II. Andante cantabile con moto · Machine-readable JSON-LD