ISRC NLA507000166
Verified recording
NLA507000166 is “Symphony No. 5 in C-Sharp Minor / Pt. 2: 3. Scherzo (Kräftig, nicht zu schnell)” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0xbf4b657b24bb39ba1831092abe6c165c85dc8328a2ee6352b8650e322d84a421 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/NLA507000166.
Recording identifiers
- ISRC
- NLA507000166
- Title
- Symphony No. 5 in C-Sharp Minor / Pt. 2: 3. Scherzo (Kräftig, nicht zu schnell)
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0xbf4b657b24bb39ba1831092abe6c165c85dc8328a2ee6352b8650e322d84a421
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:71d92d39ff1919fa7e652aa5a4bb36ca1785a1e4b55753a811e73454a9857bf0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507000166
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Symphony No. 5 in C-Sharp Minor / Pt. 2: 3. Scherzo (Kräftig, nicht zu schnell) · Machine-readable JSON-LD