Think it over

Recording by Keef Hartley Band.

Recording identifiers

ISRC
QZRP42485765
CopyrightID (CopyrightChains transaction hash)
0x2b6d60527cefc1c7d40b465acc75e8e9dace3d6cbaa11d6355d0920b43b15a1a
Copyright registration time
2026-06-09T09:48:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:2c839d32622048158935fd97ed0d1842a03ad202cfcf9924164470b3ff3fb37f

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.