Assez vivement, Op. 38 No. 1

Recording by Charles-Valentin Alkan.

Recording identifiers

ISRC
GBUM70803362
CopyrightID (CopyrightChains transaction hash)
0x497a7f18a5e1fc9393fa0640ad1bdf8391b9b119480150fd4c0af4282cfdbd6e
Copyright registration time
2026-07-07T13:19:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:eb4944a95aee86dd125c6124d174bbe75603f706f776632137d0c120b0531375

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.