Lark in the Clear Air

Recording by Karine Polwart.

Recording identifiers

ISRC
GBG3H1700035
CopyrightID (CopyrightChains transaction hash)
0xde123da1ae8a8de5af3d42b03ac5ded48c73b16b53301b1b968c411fc63f45d4
Copyright registration time
2026-06-18T06:42:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:d8903dd435452da9509ce180b620c6f6e1090f4e46bed052039180a0355d5d62

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.