ISRC GBAYC9100144

Verified recording

GBAYC9100144 is “Mahler: Symphony No. 7 in E Minor: IV. Nachtmusik. Andante amoroso” by Gustav Mahler, registered on the CopyrightChains blockchain with CopyrightID 0xf0c8c54d56d9fcf6324750d6fa14e3a80be3931d3f7eeec2249d37f0a3c03442 and independently timestamped in Bitcoin block 960291 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9100144.

Recording identifiers

ISRC
GBAYC9100144
Title
Mahler: Symphony No. 7 in E Minor: IV. Nachtmusik. Andante amoroso
Artist
Gustav Mahler
CopyrightID (CopyrightChains transaction hash)
0xf0c8c54d56d9fcf6324750d6fa14e3a80be3931d3f7eeec2249d37f0a3c03442

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T18:23:33+00:00
Bitcoin block
960291
Canonical record hash
sha256:0ce6b4eb001023a2538dff321ac376a76ea964acd4eb129a77f51872c8f22ce9
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9100144
Bitcoin block existence check
https://blockstream.info/api/block/960291

Full record

Track page: Mahler: Symphony No. 7 in E Minor: IV. Nachtmusik. Andante amoroso · Machine-readable JSON-LD