Porphyry

Recording by Harold Budd.

Recording identifiers

ISRC
USRY20517199
CopyrightID (CopyrightChains transaction hash)
0xbed4b34da853f087b37cad2b757440d90890a80ea4584c5cd8a4156aadd7d9cd
Copyright registration time
2026-07-06T00:20:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:e8111c13e7d2bfae2cd01289e9070b7305fd9c1415d5f1a8dae72ff7bc2817d4

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.