ISRC CH0011100300

Verified recording

CH0011100300 is “Symphony No. 1 in C Minor, Op. 68: I. Un poco sostenuto. Allegro” by Johannes Brahms, registered on the CopyrightChains blockchain with CopyrightID 0xc546c43c23be6784f29207a9be269f40f4763a0df289f754010d0b989151a3e6 and independently timestamped in Bitcoin block 953520 on 2026-06-13. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH0011100300.

Recording identifiers

ISRC
CH0011100300
Title
Symphony No. 1 in C Minor, Op. 68: I. Un poco sostenuto. Allegro
Artist
Johannes Brahms
CopyrightID (CopyrightChains transaction hash)
0xc546c43c23be6784f29207a9be269f40f4763a0df289f754010d0b989151a3e6

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09+00:00
Bitcoin block
953520
Canonical record hash
sha256:b43b021096f67b92eead94e5e34e52156aead53e3f05745aa615220fdd83b899
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH0011100300
Bitcoin block existence check
https://blockstream.info/api/block/953520

Full record

Track page: Symphony No. 1 in C Minor, Op. 68: I. Un poco sostenuto. Allegro · Machine-readable JSON-LD