ISRC GBF077110004
Verified recording
GBF077110004 is “Symphony No. 7: IV. Nachtmusik. Andante amoroso” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x49cb3eb0dac0e5c0cab425632de80ba2824ec831f021162a3fb5a9e5a68fd364 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077110004.
Recording identifiers
- ISRC
- GBF077110004
- Title
- Symphony No. 7: IV. Nachtmusik. Andante amoroso
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x49cb3eb0dac0e5c0cab425632de80ba2824ec831f021162a3fb5a9e5a68fd364
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a54dc315b677d89c9a50bd7341ece3a4e95f531c8efec494754c8de51a630f74- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077110004
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Symphony No. 7: IV. Nachtmusik. Andante amoroso · Machine-readable JSON-LD