Penumbra

Recording by Unholy Harakiri.

Recording identifiers

ISRC
BCGHY2200005
CopyrightID (CopyrightChains transaction hash)
0x1686228eea805afb6c74d02590c7e8b5fa936257ecc8ee86f4b86bcebee68a37
Copyright registration time
2026-07-06T03:42:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:6496ae5ef10553966b2cb489f497f552ac5b6869f2483250ca96f44bbc0fce92

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.