Pennyroyal Tea

Recording by Whirr.

Recording identifiers

ISRC
US4R71410019
CopyrightID (CopyrightChains transaction hash)
0xfe9a5573a27e1ec19cb98b0fd79b3590d057bbe59ed2ab3f289daca5f02c9739
Copyright registration time
2026-06-19T20:24:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:0e32039a20d7535c3ee6e08e7e01ac3c88fbd04f8f4c71ff641c548396fbb330

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.