Svensk Signalmarch No. 1

Recording by Ivar Widner.

Recording identifiers

ISRC
NOKSA0802060
CopyrightID (CopyrightChains transaction hash)
0xfc6b9c19fe4e4995cc012076eb2294c7f7e2a669032874caa1c4f00f24d067c5
Copyright registration time
2026-07-31T02:11:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:51:48Z
Bitcoin block
960337
Canonical record hash
sha256:5a380f5cbb3ee26914f47cd9fba547e344d316b4a82ba94741443d27c3b11e86

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.