Keinu naurusuu

Recording by Hannu Pikkarainen.

Recording identifiers

ISRC
FIEFE0900216
CopyrightID (CopyrightChains transaction hash)
0xa7eb26c17d74f7e5e9c5263ed1d1a56f0d34607ee7499345cbbbad0ab8003ff0
Copyright registration time
2026-06-06T23:58:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:432ddbf884dab656badacfde07d0e4f321caca9c269c94512c709968328238e8

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.