Cage de verre

Recording by Fred Frith.

Recording identifiers

ISRC
CA17T0900001
CopyrightID (CopyrightChains transaction hash)
0x1c816cf3cbb431ec00a8f62816fb988e9e5a29dc052286deac5d76a34bf38743
Copyright registration time
2026-07-31T18:01:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:a8f2643141a9ea36753a4e40ebeb468c9ae0774736b7186d4920cfd169f16577

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.