ISRC GBAYC9100142

Verified recording

GBAYC9100142 is “Mahler: Symphony No. 7 in E Minor: II. Nachtmusik. Allegro moderato” by Gustav Mahler, registered on the CopyrightChains blockchain with CopyrightID 0x89d6c3a1730de218072a774ced61ccc26cf597c3c260529522e0869cf928a04b and independently timestamped in Bitcoin block 957124 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9100142.

Recording identifiers

ISRC
GBAYC9100142
Title
Mahler: Symphony No. 7 in E Minor: II. Nachtmusik. Allegro moderato
Artist
Gustav Mahler
CopyrightID (CopyrightChains transaction hash)
0x89d6c3a1730de218072a774ced61ccc26cf597c3c260529522e0869cf928a04b

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27+00:00
Bitcoin block
957124
Canonical record hash
sha256:fa411be7a79fb9a32819ed13dcb81f51f1bb862797bb0a347ab61498c1af9e5a
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9100142
Bitcoin block existence check
https://blockstream.info/api/block/957124

Full record

Track page: Mahler: Symphony No. 7 in E Minor: II. Nachtmusik. Allegro moderato · Machine-readable JSON-LD