Kun Ilta Tummuu

Recording by Jukka Kuoppamäki.

Recording identifiers

ISRC
FIRCR1400308
Release date of the album this recording appears on
1973
CopyrightID (CopyrightChains transaction hash)
0x3fbe25ec2ca3d629d6d4f34163dc55a1842a6fc7e9963605c72ad4deec88cb3d
Copyright registration time
2026-07-30T15:10:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T15:42:38Z
Bitcoin block
960273
Canonical record hash
sha256:1e141a81790d9c023d40d53fbda65074865a5498d53ea24437ccf3892320ac89

What this proof establishes

This recording was released in 1973, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.