Painting Bertil

Recording by Uno Helmersson.

Recording identifiers

ISRC
USQX92002558
CopyrightID (CopyrightChains transaction hash)
0xc71e24100e58a1788877643c4606bff742d0ab576695a18ba2fe1c18fac39d60
Copyright registration time
2026-06-21T12:44:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:be843d43c43f87cf138ae3a79beaa0959dcf2f1bde302ecce03627409038619e

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.