Schafers Sonntagslied, Op. 23, No. 1

Recording by Conradin Kreutzer.

Recording identifiers

ISRC
DEA559818805
CopyrightID (CopyrightChains transaction hash)
0x59ae28eab10b670b7655e6102156f6e52ec79b2d81d12f6526048c0cf57c9308
Copyright registration time
2026-06-23T09:39:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:a6eeb40ee69a2ffc0be61d4241035fb17dea1a97fb57f9de81363c5c82e83a02

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.