Nothing, No Regrets

Recording by MTCH.

Recording identifiers

ISRC
QZK6K2197337
CopyrightID (CopyrightChains transaction hash)
0x944c820b731f69885b6c34438a557fce636bce3db2dd1959f3257e1666f7e65b
Copyright registration time
2026-07-07T22:18:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:28dde15ac1182cc882a1d6985bed7d9952f3548a8ac9269db843570d81f919a2

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.