Melody, Op 68: No. 1

Recording by Robert Schumann.

Recording identifiers

ISRC
USCGJ2193798
CopyrightID (CopyrightChains transaction hash)
0x5a1b22cff1b78fb07c4c3e428625ce72e5f003bf9ec82d11a06db6b5a99ba170
Copyright registration time
2026-07-04T01:38:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:103e61b85f4a539a774d674436ec6b30987a1d10135e63b460bae48e27fe172c

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.