Mata Hari

Recording by Marta Del Grandi.

Recording identifiers

ISRC
GBCKK2370301
CopyrightID (CopyrightChains transaction hash)
0xccad377195b6e205029af9fe9c102f6716ca64d945dbd20850a9882f839e7cb1
Copyright registration time
2026-06-08T10:22:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T04:27:57Z
Bitcoin block
956995
Canonical record hash
sha256:1166d34da189b6c85847e924cbf2a3c788866ea28db8f276c6683dd111b939a3

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.