Circuit Boards

Recording by Charlie Castillo.

Recording identifiers

ISRC
ITS781800455
CopyrightID (CopyrightChains transaction hash)
0x7b7fd66cd418fbcaaf8f6c00cf00b46f6b5b49138703d7ed4e02bb0b8bb8aed2
Copyright registration time
2026-07-30T04:03:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T04:47:22Z
Bitcoin block
960207
Canonical record hash
sha256:0497708eb6f2c776a917232e8e9653d7024b0c9c0d2700853b5cd27d8da2b2ee

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.