Oj, oj, oj, va' hon var söt

Recording by E.Hauman.

Recording identifiers

ISRC
CA5KR1938144
CopyrightID (CopyrightChains transaction hash)
0x2c09378379712bed5901e3561ed0563d70b845bbb9a2a5257b43e4ee1b83a39e
Copyright registration time
2026-07-07T03:55:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4be7b6aecc02665676754909bebab632f2f6adbaa7f3a1d44415295d301cf0d0

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.