Tuntemattomaan

Recording by Katja Sirkiä.

Recording identifiers

ISRC
USWD11994915
CopyrightID (CopyrightChains transaction hash)
0xbc3c717a2c8d904a602cbc3c492b15c24ee4ebc2eb1f24ed9a07d179d5cfe309
Copyright registration time
2026-06-06T05:07:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:4725c305998f5e1358e18d68caa3a3d93b0e74f898ebb573681cfa87bc7cbff0

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.