Mathématiques

Recording by MZ.

Recording identifiers

ISRC
FR9W11601488
CopyrightID (CopyrightChains transaction hash)
0x9ba5eff42e5a5bef150f1658a2c7438659ba1111e6037355f9ec30bb161be4e2
Copyright registration time
2026-06-07T08:28:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:236082059a497b35a2f373f84bfc9c087a413d81cd7b47f5451e0cee74b90f47

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.