Overture

Recording by Norbert Leo Butz.

Recording identifiers

ISRC
USSK32343283
CopyrightID (CopyrightChains transaction hash)
0xdf9480d783997540dd0a2a125abb4a56179550acad7e3e04f8938f5e58756d4f
Copyright registration time
2026-06-09T10:02:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:c66d8fa2408d634957a2e61652a175eec47f097ad57d9cedc8460d1bd03b14b4

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.