ISRC NLA507101135
Verified recording
NLA507101135 is “Symphony No. 5 in C-Sharp Minor / Pt. 3: 4. Adagietto (Sehr langsam)” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0xf39c6cfb889b0c20414cf2f4b21724f9f49e83ccff1f4f79c57e30199e1f82dd and independently timestamped
in Bitcoin block 960106 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507101135.
Recording identifiers
- ISRC
- NLA507101135
- Title
- Symphony No. 5 in C-Sharp Minor / Pt. 3: 4. Adagietto (Sehr langsam)
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0xf39c6cfb889b0c20414cf2f4b21724f9f49e83ccff1f4f79c57e30199e1f82dd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T12:41:21+00:00
- Bitcoin block
- 960106
- Canonical record hash
sha256:cdc94d68dbabcb482f97449552845379ede5c620fed1d8d00f05af04ba90e96b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507101135
- Bitcoin block existence check
- https://blockstream.info/api/block/960106
Full record
Track page: Symphony No. 5 in C-Sharp Minor / Pt. 3: 4. Adagietto (Sehr langsam) · Machine-readable JSON-LD