Fifth Etude

Recording by Michael Rosas Cobian.

Recording identifiers

ISRC
GBELU0111308
CopyrightID (CopyrightChains transaction hash)
0xe838923eab41cb92c87422b7e9626662fc52cd5473b9107e131e70cc0b758959
Copyright registration time
2026-07-07T21:39:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:1b1986901bc1d72619c367fd24c5aa9eec2365552c82377711b9db5c600844e6

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.