CALLING

Recording by Yoko Ono.

Recording identifiers

ISRC
USSUX0900034
CopyrightID (CopyrightChains transaction hash)
0xc46b5ea36ba3390571cafc49edfa2917535629b023672343663e38e71bc7d0bc
Copyright registration time
2026-07-31T18:49:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:13Z
Bitcoin block
960455
Canonical record hash
sha256:48e1e6118d115fb48d6ad549e9bf06e6a46a5d0d27d72aefbaeb08242639cf05

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.