400 & 57

Recording by Pia Fraus.

Recording identifiers

ISRC
QMFMG1590503
CopyrightID (CopyrightChains transaction hash)
0xd7f8d373f7b0d6a65de62536b65e7014b3f380fb3236bd1e2a026cac1a1f8d11
Copyright registration time
2026-07-06T07:42:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:0991d0a7cc9def7717b381ee0296051a79926f4e61e86fadaac4c36a8c93c079

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.