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
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:2cc30e337a8a3763674e37989fdd5e033f336f4970ec812abd3345b652fa17d6

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.