ISRC NLE421903713

Verified recording

NLE421903713 is “Winterreise, Op. 89, D. 911: No. 13, Die Post” by Franz Schubert, registered on the CopyrightChains blockchain with CopyrightID 0x0e427ef5d01ae85d5ef3965c3f989e45bca483f3e8e7e28e5a4954182390d050 and independently timestamped in Bitcoin block 960225 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421903713.

Recording identifiers

ISRC
NLE421903713
Title
Winterreise, Op. 89, D. 911: No. 13, Die Post
Artist
Franz Schubert
CopyrightID (CopyrightChains transaction hash)
0x0e427ef5d01ae85d5ef3965c3f989e45bca483f3e8e7e28e5a4954182390d050

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T08:04:30+00:00
Bitcoin block
960225
Canonical record hash
sha256:a0963efa54685000ee894656496798a795453253674cb4d60958edfb82790c95
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421903713
Bitcoin block existence check
https://blockstream.info/api/block/960225

Full record

Track page: Winterreise, Op. 89, D. 911: No. 13, Die Post · Machine-readable JSON-LD