Lång låt i A-dur

Recording by Björn Olsson.

Recording identifiers

ISRC
SEWFN0500106
CopyrightID (CopyrightChains transaction hash)
0xb734d79af856c5896b06c490dfd35ae3ff1f5b8ab2414c735f448af461e0bdad
Copyright registration time
2026-06-26T06:48:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:f3d7abc8523ada233c7209ab9e79281d6d0ad7d30daa3f8e0eae12bb51a7cffe

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.