Björneborgarnas marsch

Recording by Brunna mässingskvartett.

Recording identifiers

ISRC
SEYOK1747634
CopyrightID (CopyrightChains transaction hash)
0x75b65476711cb075dff41e5b99406bc2586d0b4fc1e1774598c913aa42997a01
Copyright registration time
2026-06-18T03:02:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:b94d7c5881dff874011b658db80a0ab7b2c797bc87e3073ebf41565b561113ea

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.