Second Hand Smoke

Recording by William Fitzsimmons.

Recording identifiers

ISRC
GBLAZ1801131
CopyrightID (CopyrightChains transaction hash)
0x1f47577e756fea77f872b3a195f4cec7094e3b980fb00a46883c35d6db97c930
Copyright registration time
2026-06-20T18:42:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:7e55bd3b7b430dfcaf1737e3bba0d2efb5d618e219efb3afaaa54071456eba7f

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.