Kirjoita postikorttiin - Send Me a Postcard

Recording by Muska.

Recording identifiers

ISRC
FIFSC7100013
CopyrightID (CopyrightChains transaction hash)
0x8cf266341b86f06eec4e14a2325c3bbece122a1c163b5c8139d9a22207c40012
Copyright registration time
2026-07-06T10:15:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:50:38Z
Bitcoin block
957075
Canonical record hash
sha256:6ae001c89014a4f24784c84aa93eaab29651dfa4721e967235b3cb58bcd0afe6

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.