ISRC NLE422403420
Verified recording
NLE422403420 is “Valses sentimentales, Op. 50, D.779: No. 1 in C Major - No. 2 in C Major - No. 3 in G Major - No. 4 in G Major” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0xfee25e9ea423c5f2a4c84213a18976ac6fc07f227fad0cfd143b060bbbefec6e 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/NLE422403420.
Recording identifiers
- ISRC
- NLE422403420
- Title
- Valses sentimentales, Op. 50, D.779: No. 1 in C Major - No. 2 in C Major - No. 3 in G Major - No. 4 in G Major
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0xfee25e9ea423c5f2a4c84213a18976ac6fc07f227fad0cfd143b060bbbefec6e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:27504b21572a58a4218a9cfd9d88432692603253624a347d412848556994c7e5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422403420
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Valses sentimentales, Op. 50, D.779: No. 1 in C Major - No. 2 in C Major - No. 3 in G Major - No. 4 in G Major · Machine-readable JSON-LD