ISRC GBF077110002
Verified recording
GBF077110002 is “Symphony No. 7: II. Nachtmusik. Allegro moderato” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x41a4adce1ff569fdd7485ed5ad7564c7dd37967b9ed89621a815119ad0e6eeb6 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077110002.
Recording identifiers
- ISRC
- GBF077110002
- Title
- Symphony No. 7: II. Nachtmusik. Allegro moderato
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x41a4adce1ff569fdd7485ed5ad7564c7dd37967b9ed89621a815119ad0e6eeb6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:156f6eac60751574ff3fc8b383ce59995edaeb84df904fdf6c1bbde2948ade2a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077110002
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Symphony No. 7: II. Nachtmusik. Allegro moderato · Machine-readable JSON-LD