Glassworks: IV. Rubric

Recording by Philip Glass.

Recording identifiers

ISRC
USSM18100387
CopyrightID (CopyrightChains transaction hash)
0x8612a3aac7bea4c5d99d57529cd4162ba04e904c6e72d2b4e3b0b43a9ae7b66d
Copyright registration time
2026-06-08T01:44:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:dbbf2372215fb5bf983dc7e1ae7ede93f3b16b8b0728de00db43a385dfe64419

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.