Rondeau Chromatique, Op. 12

Recording by Charles-Valentin Alkan.

Recording identifiers

ISRC
NLY332401932
CopyrightID (CopyrightChains transaction hash)
0x0acecebd4716527445914d29c57af6f52682cb6e894b2a3602a90aa0fefaf39f
Copyright registration time
2026-07-07T23:33:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:2f43b4a7508d7b293cc58dcec5be7cfe899e2e52b4fd516e530bd81b12faff5a

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.