Valse-Fantasie

Recording by Mikhail Glinka.

Recording identifiers

ISRC
FR10S1716408
CopyrightID (CopyrightChains transaction hash)
0x30c9f42785142f8d62cda9792a9794a8c381c7fa541ce5e8d52b260e0a280225
Copyright registration time
2026-07-30T15:20:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T15:42:38Z
Bitcoin block
960273
Canonical record hash
sha256:7e1177c891658f8dae537526e00535e642e177572830523e04cb0451c59afe37

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.