Undanvindsvalsen

Recording by Lasse Mårtenson.

Recording identifiers

ISRC
FIFMF1222308
CopyrightID (CopyrightChains transaction hash)
0xfe097d1417ca52138f57d6a35c014bc77b45a4ecd70cf0b317a403f6952d952a
Copyright registration time
2026-07-06T22:35:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6e4275fb58970fefb0c0132f4f4acaf47911aa89d4175836f969da1c32fadfe1

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.