Orpopojan valssi

Recording by Tapio Rautavaara.

Recording identifiers

ISRC
FIFMF5400002
CopyrightID (CopyrightChains transaction hash)
0x7dabeda407addca00d20be0da2808db21119a3960fbc53e06df401a8e9cdb40a
Copyright registration time
2026-07-06T08:23:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:de4e220f1b60e4f62650740b0cd7667c80c6942a250d2dd100171c8025033167

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.