Looking Back Again

Recording by Leo Sherman.

Recording identifiers

ISRC
QM3JE1901212
CopyrightID (CopyrightChains transaction hash)
0x9ad4a18c589e04a27b815f6e38ca465c998e370526910eb337cf22b0b225ed8b
Copyright registration time
2026-06-11T19:41:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:68063c65ce467081db018b075bc0148fb876ec8ccbdda1124cd5b3007828ae33

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.