Half Step

Recording by Bill Charlap Trio.

Recording identifiers

ISRC
NLGZ20900677
CopyrightID (CopyrightChains transaction hash)
0xb784c93fc22ea1cb37ec6bc29cff30d1a2349a79e4fa898f5b65f6edd0454a9f
Copyright registration time
2026-07-06T18:44:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:c46e52e496507264edb3756fdc30a88ddf370417da727bdd3572a3b384a7457c

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.