När vi var unga

Recording by Tomas Ledin.

Recording identifiers

ISRC
SE3SA2201401
CopyrightID (CopyrightChains transaction hash)
0x5d1094cce42af779194d237dba4f88abbe180c5e7a58713ebdda8ab73dbb6d0c
Copyright registration time
2026-06-21T16:12:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:ef1a0583a5720effedef33f33f7ce729bb8735715f0626c0b7bad5a27b41df3a

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.