Valses romantiques, Op. 4

Recording by Clara Schumann.

Recording identifiers

ISRC
DEB200175837
Release date of the album this recording appears on
2001-01-01
CopyrightID (CopyrightChains transaction hash)
0x53925b3f3ddf3589c1aa0bbe3c34b3726d2d0ad31063c2f20e8325697c12606d
Copyright registration time
2026-07-31T19:37:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:13Z
Bitcoin block
960455
Canonical record hash
sha256:b149d5bd0427ad42d50bdfea0b94f46840d58b6634120a845cc45049b98030e5

What this proof establishes

This recording was released in 2001, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.