Skärgårdsbrev

Recording by Sven-Bertil Taube.

Recording identifiers

ISRC
SEAMA8500664
CopyrightID (CopyrightChains transaction hash)
0x3e4d6d52530e5734c88b79c563c0be3cfd7de20a1d5a7e11da85b1c9b17da390
Copyright registration time
2026-03-06T19:53:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:65043ec2152ab0488776b89cbdfa135e298efd5d875f9c94aa7ad9eafa1f87a1

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.