ISRC NLC242100409
Verified recording
NLC242100409 is “Ballade for alto saxophone, piano, timpani and strings (1938)” by Frank Martin,
registered on the CopyrightChains blockchain with CopyrightID
0x0338ecaa5efc934efb52bce7b822b9231abec993538e59601314d0cadd64391b and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLC242100409.
Recording identifiers
- ISRC
- NLC242100409
- Title
- Ballade for alto saxophone, piano, timpani and strings (1938)
- Artist
- Frank Martin
- CopyrightID (CopyrightChains transaction hash)
0x0338ecaa5efc934efb52bce7b822b9231abec993538e59601314d0cadd64391b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:3144319b7cdd0a6574d1a91c0654a05e1b07356d5150cf5fa2b01022a4856f1f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLC242100409
- Bitcoin block existence check
- https://blockstream.info/api/block/960468
Full record
Track page: Ballade for alto saxophone, piano, timpani and strings (1938) · Machine-readable JSON-LD