Tväredet

Recording by Jan Lundgren.

Recording identifiers

ISRC
DEA891700075
CopyrightID (CopyrightChains transaction hash)
0x1ff904dba83cef472f483ee3f55902e2d28cec8bf135925b75cfe09dd02fa354
Copyright registration time
2026-07-31T02:34:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:51:48Z
Bitcoin block
960337
Canonical record hash
sha256:0864dba51a81bf74f515f95f4ab25d146155815b8d894dd692f0e0acd3a27669

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.