Onsdag 2b

Recording by Gustaf Ljunggren.

Recording identifiers

ISRC
DKY302401408
CopyrightID (CopyrightChains transaction hash)
0x0707fce592741465bbb31b8b0c7ab0462a1ed41b1f620086998ff3f37c2b9b5d
Copyright registration time
2026-06-27T09:57:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:1fca5d196e46c3e22d80b866c43a301be9a9b063b4e56faa899a00c0ab94c2b8

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.