twenty

Recording by Sjowgren.

Recording identifiers

ISRC
QZK6N2409432
CopyrightID (CopyrightChains transaction hash)
0xdc02de875d0df30c4e1a893a67609658e5a3547c471c3eb20fd10cac1a92b8d8
Copyright registration time
2026-06-06T00:52:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:676b263c2c2a701dde96729a77df36f8d5c6cc865456429bee4231782638364a

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.