ISRC GBLWD1901401

Verified recording

GBLWD1901401 is “Symphony No. 1 in C Minor, Op. 68: I. Un poco sostenuto” by Johannes Brahms, registered on the CopyrightChains blockchain with CopyrightID 0x2801a1a028a6257e29420eb7a81d07133beec3284edb6149dd5617e8da092e2e and independently timestamped in Bitcoin block 960478 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1901401.

Recording identifiers

ISRC
GBLWD1901401
Title
Symphony No. 1 in C Minor, Op. 68: I. Un poco sostenuto
Artist
Johannes Brahms
CopyrightID (CopyrightChains transaction hash)
0x2801a1a028a6257e29420eb7a81d07133beec3284edb6149dd5617e8da092e2e

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T23:30:38+00:00
Bitcoin block
960478
Canonical record hash
sha256:6f2f0644cb1595804e8a4ce8b93d9c9fbbd78d8c57d8b8d0f22c680ce1960955
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1901401
Bitcoin block existence check
https://blockstream.info/api/block/960478

Full record

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