Punch In - Punch Out

Recording by Mika Tyyskä.

Recording identifiers

ISRC
FI53T1800001
CopyrightID (CopyrightChains transaction hash)
0x7172ed048033bbb740408e609d5981a2267e587c033f732caa7dc08ef6515898
Copyright registration time
2026-07-30T19:07:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T19:26:00Z
Bitcoin block
960298
Canonical record hash
sha256:117a3eec8fb33091645fa18b10c48da69d68abda9eb1439535dadb601a198932

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.