Perfect Day

Recording by Lou Reed.

Recording identifiers

ISRC
USRC17201946
CopyrightID (CopyrightChains transaction hash)
0x4bddd0c7f3869acbaefb1be299a3b7c5fc5934e71874c0a75de8a5cbb294110d
Copyright registration time
2026-06-20T03:20:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:dbe3c189de601fd148d909798f70bbc41300daba98cdd6e82425b1b89ed4b852

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.