Hard Pill To Swallow - Remastered

Recording by Keef Hartley Band.

Recording identifiers

ISRC
QZPLR2353872
CopyrightID (CopyrightChains transaction hash)
0x89ad4b9a08132412fff1bcc48c90786cfac54a4e5616af3b1f23e4c79ceda070
Copyright registration time
2026-06-10T06:03:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d60c4ab793d825602dc356e306625d6c05655b74862ddb9484d16f2c0ffd8b6f

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.