Twenty Seconds Later

Recording by Tommy Ljungberg.

Recording identifiers

ISRC
SE5Q51828213
CopyrightID (CopyrightChains transaction hash)
0x3069ca4a5395eae0ccb1401ee6da7fed00ad227d8ef617113c3d63f24bc671b2
Copyright registration time
2026-06-08T13:47:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:bc1ec9cfeef52359743e16fbc9eac75247c55c2b27fcb198b18c00754cfb6ac2

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.