Altocomulus Opacus

Recording by Markus Guentner.

Recording identifiers

ISRC
DEU670600134
CopyrightID (CopyrightChains transaction hash)
0xace944e3126718d838f6e3cca528177f21afb31d93c2992fc3373a46f53f9ecf
Copyright registration time
2026-06-22T04:48:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:30e5b4350e7e8978f66035d736624c81466d3c93e0afa4a9f316e761c0cf7421

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.