Who Says

Recording by John Mayer.

Recording identifiers

ISRC
USSM10904983
CopyrightID (CopyrightChains transaction hash)
0x3f40d6928bfaa5d4ecdfdf1d193cee0d79eafc86c0db1a6df901d2e8c85f6484
Copyright registration time
2026-06-01T17:31:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:95d9aae80c754df7fd9a8d756755b9a8e6d6ef9ae1cfa92a04e16acc5d7a697e

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.