ISRC NLY331405988
Verified recording
NLY331405988 is “4 Impromptus, D. 935, Op. 142: III. Impromptu in B-Flat Major "Rosamunde"” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x2bf7791a3866696aff2a7998c7f54efcf2c79e01ce2250923db62e5017f0087d and independently timestamped
in Bitcoin block 960230 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331405988.
Recording identifiers
- ISRC
- NLY331405988
- Title
- 4 Impromptus, D. 935, Op. 142: III. Impromptu in B-Flat Major "Rosamunde"
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x2bf7791a3866696aff2a7998c7f54efcf2c79e01ce2250923db62e5017f0087d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T08:32:18+00:00
- Bitcoin block
- 960230
- Canonical record hash
sha256:6ae90ab20f7bea003e37d331608b1b215668921b4a49cc26c92ac7fc5b8c47f1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331405988
- Bitcoin block existence check
- https://blockstream.info/api/block/960230
Full record
Track page: 4 Impromptus, D. 935, Op. 142: III. Impromptu in B-Flat Major "Rosamunde" · Machine-readable JSON-LD