O King

Recording by Luciano Berio.

Recording identifiers

ISRC
FR7JM2014090
CopyrightID (CopyrightChains transaction hash)
0xd8b026ec7a09f92e3bed5dbb3f647ad70e353ab4c10cc1eb7c5c9a6083b031f0
Copyright registration time
2026-07-07T19:46:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:5009a3472a8a61a036139f18247d881b2bc51323e49243a70d282366b3289d2f

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.