Sechs Gesänge, Op. 107: No. 1, Herzeleid

Recording by Robert Schumann.

Recording identifiers

ISRC
USSM11807026
CopyrightID (CopyrightChains transaction hash)
0x35dd99f4b8bbb9dd5939d10bee865ee394cf753b28200b648af7be6a9089b947
Copyright registration time
2026-06-22T04:45:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:bddee94adff6b9259dc6284c251f5af38b481b877c4598d323d445ad302fd032

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.