20 Seconds

Recording by Cor.

Recording identifiers

ISRC
NLG662300383
CopyrightID (CopyrightChains transaction hash)
0xd0cb659046c8d69e0be96f3045cad96e783126c29c9b297a8f2fb6e82d446182
Copyright registration time
2026-06-07T08:43:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:394f51784616d7eaa68bcfaf8d7abd114ca2728db09ec0d7e17ee84d3f15b8e6

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.