focus

Recording by Andrę Wolff.

Recording identifiers

ISRC
QZFZ22361994
CopyrightID (CopyrightChains transaction hash)
0x90becc4ca8e889f802960bb586bfd8a5a1aa042adb3d64f3a8912e31ac271b35
Copyright registration time
2026-07-07T10:19:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:880b86d91f9ad22b8b41db3d9e05948b997786860faad1298d23aad666a79f7c

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.