Schuberts Winterreise: No. 11, Frühlingstraum

Recording by Hans Zender.

Recording identifiers

ISRC
FR50X1642511
CopyrightID (CopyrightChains transaction hash)
0xae8aa2249a1d0a2d4484ba86c6d740de3cbdd658096cda08912f2c1b3e15a6ea
Copyright registration time
2026-07-07T09:40:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:df20579524f302ca752aea5821ba53946ca2beeed7188f49fb3c97137b3f1398

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.