Focus Fugue

Recording by Classical Music to Study to.

Recording identifiers

ISRC
QZP7F2428212
CopyrightID (CopyrightChains transaction hash)
0x8acbf607feccb39b4a58c4adf62057348ae0690965160797ad355d3cadf4af2d
Copyright registration time
2026-07-07T02:34:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8ebe53dfda4e51e86167eac16f5a3fdb8164630267cea337368cbf0d2eb5477f

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.