ISRC GBF075910091

Verified recording

GBF075910091 is “Symphony No. 1 in C Minor, Op. 68: I. Un poco sostenuto – Allegro” by Johannes Brahms, registered on the CopyrightChains blockchain with CopyrightID 0x147be9f727d578f2215b3efb78c2736aa688c01947b3eaab2fbb1792b170a279 and independently timestamped in Bitcoin block 960376 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF075910091.

Recording identifiers

ISRC
GBF075910091
Title
Symphony No. 1 in C Minor, Op. 68: I. Un poco sostenuto – Allegro
Artist
Johannes Brahms
CopyrightID (CopyrightChains transaction hash)
0x147be9f727d578f2215b3efb78c2736aa688c01947b3eaab2fbb1792b170a279

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T09:09:19+00:00
Bitcoin block
960376
Canonical record hash
sha256:661998fb0be7a8df682593e14017de9547878e4da7021f4e410ae702adde9ff0
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF075910091
Bitcoin block existence check
https://blockstream.info/api/block/960376

Full record

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