Mr. Sax

Recording by Petra Janů.

Recording identifiers

ISRC
FRX201717007
CopyrightID (CopyrightChains transaction hash)
0x87f9ade4203da4fe9f3b6f4e09e91614931577d94b04a9a066acf64b8c502f3f
Copyright registration time
2026-07-06T05:29:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:f3f4fd5c018149a24e83afe55e071a2d64c429fec852506b797193c7c48bf842

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.