Black Page II

Recording by Frank Zappa.

Recording identifiers

ISRC
SE5XG2258111
CopyrightID (CopyrightChains transaction hash)
0x57e9f7d594ca747d599dc9b4c6cd94bedcf8f3f5cf50599de13e01f36c11e336
Copyright registration time
2026-07-07T01:51:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:013d1c3a4f930c0326d87626a680ca68bd2e16e60ab7fe841f64c73d544ed330

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.