Lesson 1

Recording by Blasfem.

Recording identifiers

ISRC
ZZOPM2231607
CopyrightID (CopyrightChains transaction hash)
0xf4b761a64667a8612790c774ad54cfdebd3b0fa6cc30fd9fd54422da1ed651ce
Copyright registration time
2026-06-23T12:42:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:5f35e6a71a73c5dbf6eb64ea65ae6eebc326f9ca131182268a128af8e2c66292

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.