Ystävän Laulu

Recording by Tapani Perttu.

Recording identifiers

ISRC
FIPT60900041
CopyrightID (CopyrightChains transaction hash)
0xeb678b1f62f7ddd56df97f09788a8fc760882bd5441636c7b863c04763298c8e
Copyright registration time
2026-06-26T08:36:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:8b4bdfc18efacc1f45169068085cb4f9ae7a58d6c41e5bc2ce6fc36ce83da9ec

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.