Myrthen, Op. 25: No. 1, Widmung

Recording by Robert Schumann.

Recording identifiers

ISRC
USSM11901296
CopyrightID (CopyrightChains transaction hash)
0x81fe2707849211d41183b59e5271c537513d4b52a6083cd701e5863df72a9812
Copyright registration time
2026-06-20T08:34:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:df7d4b15140aacb1bd81b33a3e758c59cd7d1e9cd4a4ae430713f67c34632cf4

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.