For Mats

Recording by Justus Rümenapp.

Recording identifiers

ISRC
US23A1555114
CopyrightID (CopyrightChains transaction hash)
0x86bcfc5dd788ab80a3ace8e0f30c5e65ba086599c1bc4535a48d52329bdc4362
Copyright registration time
2026-07-07T13:12:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6efc50f7f9774cfe8ed2783760545a407e5cc669f9871aeec2a278ea54c2fb96

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.