Why

Recording by Yoko Ono.

Recording identifiers

ISRC
USSUX1800021
CopyrightID (CopyrightChains transaction hash)
0x9bc25c6442ed51a31929b86608dfec67913a76d78e5f92221d783ea9eec1ef4c
Copyright registration time
2026-07-30T18:09:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T18:23:33Z
Bitcoin block
960291
Canonical record hash
sha256:a18926ad126562fe69c2e0a4570f4145e2a24b84139e0b34e931dba0931d4468

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.