Last Time

Recording by Nik Day.

Recording identifiers

ISRC
QMC2Y1600011
CopyrightID (CopyrightChains transaction hash)
0xcc5d25b2c4d8c1ea6455035c99933c8d2ebd6bea127aa8ce623c3e515dc1e980
Copyright registration time
2026-06-18T06:49:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:d2be18f4a457cc911ff12a988e3aba9b86a5b9c32b159221df392604d5ebe154

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.