I. The Cusp of Magic

Recording by Terry Riley.

Recording identifiers

ISRC
USNO10750714
CopyrightID (CopyrightChains transaction hash)
0x330aedfeb61eab08b3ec11826b41da8dad23836e86a1637457ef606ccfd8d242

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T23:51:35Z
Bitcoin block
960481
Canonical record hash
sha256:2e25a208a51f22bc5de38494947da0f9201a46b42e514af82e56a7447c0cfd0c

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.