ISRC GBBBA1800621

Verified recording

GBBBA1800621 is “9 Gesänge, Op. 69: 4. Des Liebsten Schwur” by Johannes Brahms, registered on the CopyrightChains blockchain with CopyrightID 0x7eba46186e32892b67cf70efcb8dd6946719e52b36184f35b5d58af4cd7d4e27 and independently timestamped in Bitcoin block 960456 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800621.

Recording identifiers

ISRC
GBBBA1800621
Title
9 Gesänge, Op. 69: 4. Des Liebsten Schwur
Artist
Johannes Brahms
CopyrightID (CopyrightChains transaction hash)
0x7eba46186e32892b67cf70efcb8dd6946719e52b36184f35b5d58af4cd7d4e27

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:57+00:00
Bitcoin block
960456
Canonical record hash
sha256:8f2398bd7e247b38094f27d8d115853c151b2f3313eb2dc74b02facad2b56ed6
Verification API (seven-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800621
Bitcoin block existence check
https://blockstream.info/api/block/960456

Full record

Track page: 9 Gesänge, Op. 69: 4. Des Liebsten Schwur · Machine-readable JSON-LD