ISRC NLE421903704
Verified recording
NLE421903704 is “Winterreise, Op. 89, D. 911: No. 4, Erstarrung” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x5ab4fba8976fb99734346ee80ac5bdb11444185b577ef23edebf5aa78529d202 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421903704.
Recording identifiers
- ISRC
- NLE421903704
- Title
- Winterreise, Op. 89, D. 911: No. 4, Erstarrung
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x5ab4fba8976fb99734346ee80ac5bdb11444185b577ef23edebf5aa78529d202
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:4a65c234c7e504d4e5f34758d933b71a27f89c3f16d6bbcc5c9170a6099bb6de- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421903704
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Winterreise, Op. 89, D. 911: No. 4, Erstarrung · Machine-readable JSON-LD