Irma

Recording by Koos Du Plessis.

Recording identifiers

ISRC
USA560449706
CopyrightID (CopyrightChains transaction hash)
0x9d28d2699feaea23c8fea7f124c9557f27394d4f501b860b99de536274238c42
Copyright registration time
2026-07-06T07:49:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:50:38Z
Bitcoin block
957075
Canonical record hash
sha256:8c2101f6b8b4337f9ce72540c84726d37d02005ad4fed31f540a3bf2ff9b9850

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.