Postman

Recording by Hollie Cook.

Recording identifiers

ISRC
GBCLQ1300086
CopyrightID (CopyrightChains transaction hash)
0x2d79fb9e6f0005f7e6a9c634f2ff7db8413979fa1b4eb990f67949fa594ed645
Copyright registration time
2026-06-04T10:14:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:f2b23d3ce71d633c478797720a7e45a5fbec79f433b2b7a51c976df14324fd77

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.