4 Years (Bonus Track)

Recording by Piff Marti.

Recording identifiers

ISRC
TCADR1804302
CopyrightID (CopyrightChains transaction hash)
0x709d971d011674d352bbacfc9486d4df15a9f6b561be835f33d324170fe9a22a
Copyright registration time
2026-06-22T20:28:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:6c4add604f9f8bfe9854ef471c49945d041b8739cb485c2e4b00b3e08fe3bfbe

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.