Ubåtsvalsen

Recording by Pepparn.

Recording identifiers

ISRC
SEVSZ7300409
Release date of the album this recording appears on
1973-03-14
CopyrightID (CopyrightChains transaction hash)
0x06ae7e30c8a629d22eeec031496cefa304496c7f318733455f4936787fcb69fa
Copyright registration time
2026-07-30T22:02:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T22:27:30Z
Bitcoin block
960321
Canonical record hash
sha256:296554b1f58205affb3ea774282be993b09728a6cf2aef50da237b75cc132d0e

What this proof establishes

This recording was released in 1973, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.