Speak For Me - Acoustic

Recording by John Mayer.

Recording identifiers

ISRC
USSM11204927
CopyrightID (CopyrightChains transaction hash)
0xf8f43746d03afc3e047dd9670cfc5402c96554eee9c0e4fc0416291e373ab66d
Copyright registration time
2026-06-08T08:57:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:08f80347046f29cf14142938f1b89c7a6d180c1f20dec7996b7f208b8309e3bc

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.