Focus

Recording by Mazoo.

Recording identifiers

ISRC
QZMEM2163887
CopyrightID (CopyrightChains transaction hash)
0x98daa96ee5564dcd5930fb73b7f9f8f523b27835b0e4ce0d4538a8b16c79905f
Copyright registration time
2026-07-07T01:50:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:996f149ef7449237ba55337d5f33efcf3c5ee932bcb0be3b0547a0f557e8e592

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.