7=5

Recording by Sasha Mashin.

Recording identifiers

ISRC
QZ5FN1849546
CopyrightID (CopyrightChains transaction hash)
0xb3f2aa54402a219e53a0675792337a9d879d2fc4769f10a1042ca8c2d662004b
Copyright registration time
2026-07-07T21:41:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04Z
Bitcoin block
957122
Canonical record hash
sha256:c9bd759045e33b5971ef3f3a17b1903e99ccf21f1550d3f648a71c7753551c66

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.