ISRC DEF057702744

Verified recording

DEF057702744 is “Symphony No. 4 in B Flat Major, Op. 60: IV. Allegro ma non troppo - Recorded 1977” by Ludwig van Beethoven, registered on the CopyrightChains blockchain with CopyrightID 0xc5543e27571e7bb6bf7bb68c3bae58f0d7e618325a93e8418f905d2cc45e4cae and independently timestamped in Bitcoin block 960334 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057702744.

Recording identifiers

ISRC
DEF057702744
Title
Symphony No. 4 in B Flat Major, Op. 60: IV. Allegro ma non troppo - Recorded 1977
Artist
Ludwig van Beethoven
CopyrightID (CopyrightChains transaction hash)
0xc5543e27571e7bb6bf7bb68c3bae58f0d7e618325a93e8418f905d2cc45e4cae

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15+00:00
Bitcoin block
960334
Canonical record hash
sha256:b0474136372014bdc91e572d21bb2c222ed54d6e631e189f91a1226de480719b
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057702744
Bitcoin block existence check
https://blockstream.info/api/block/960334

Full record

Track page: Symphony No. 4 in B Flat Major, Op. 60: IV. Allegro ma non troppo - Recorded 1977 · Machine-readable JSON-LD