Why

Recording by Yoko Ono.

Recording identifiers

ISRC
USSUX1800021
CopyrightID (CopyrightChains transaction hash)
0x9bc25c6442ed51a31929b86608dfec67913a76d78e5f92221d783ea9eec1ef4c

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:c75fc808c7cac0ac80612f58dedc94b32ebd69d72f735c22d1dca09cae9032b0

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.