Songs from Liquid Days: No. 1, Changing Opinion

Recording by Philip Glass.

Recording identifiers

ISRC
USSM18500220
CopyrightID (CopyrightChains transaction hash)
0x00bdeb1efaf55ef3188253a272d8896a3be96944178c9e16da8d517f833210b9
Copyright registration time
2026-06-26T21:51:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f574d62b8df834d28a6e0a223d184d45675e106010129cdb1217261c0435b99e

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.