Brevet från Lillan

Recording by Sven-Bertil Taube.

Recording identifiers

ISRC
SEAMA7864100
CopyrightID (CopyrightChains transaction hash)
0xfbde603e5d0c1bdc1ab959720e8137b95b92a1797d5e7fe2bb9e1e8520619721
Copyright registration time
2026-03-20T05:08:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:feecfdf35226c11384bcfbe99bf5740f8a3ad0f2d512d6bbd0cd63cae8619056

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.