Lördagkväll

Recording by Hasse Andersson.

Recording identifiers

ISRC
SEPQA1500206
CopyrightID (CopyrightChains transaction hash)
0x0c76fe9f7fb27c0c8f3a9e9915f7b7ea23a749f9e56bb949995ec72d12b0f1af
Copyright registration time
2026-01-28T20:39:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:5d70128cd4a52632e702f4d7449b8d1f12bef3b35bc5ffabbe38141218c2c599

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.