Schuberts Winterreise: No. 8, Rückblick

Recording by Hans Zender.

Recording identifiers

ISRC
FR50X1642508
CopyrightID (CopyrightChains transaction hash)
0x397dbe70b1c8d7b0c997ff88ab99c0154688d52d8ac23f21aa7bdb4af7eaf139
Copyright registration time
2026-07-07T17:59:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a5a6dfc0ec17d6d127b2ec2272dbf219ec57237720c244cf837f3001cdeeee53

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.