21 Minutes Later

Recording by Art Materials.

Recording identifiers

ISRC
DEH742503209
CopyrightID (CopyrightChains transaction hash)
0xd17e59adc400d6137da8febc571faded91e4aee06b93fa3eff0b1cc412aa404c
Copyright registration time
2026-06-25T08:21:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:50f0264c5c07e6c0e368b761b5bdfe0dfd12f93904736f60a58914722058a508

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.