Valkein Purjein

Recording by Jukka Ruusumaa.

Recording identifiers

ISRC
FISAT9800002
CopyrightID (CopyrightChains transaction hash)
0xa0a26abfd59766dbccd858f5835f72312290796d706404545f0a323df0544a79
Copyright registration time
2026-07-07T05:02:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7f05c266008dab7da517b684196a81b9cdbab42528fa0c04271ab1cb936223a3

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.