Brevet

Recording by Jahn Claesons kvartett med Teddy Butch.

Recording identifiers

ISRC
SEBFO0300123
CopyrightID (CopyrightChains transaction hash)
0x00d97e59b20fcbeff1781afcfc711b6655d941e01cf689a1f8fcfdf64ac6e0e2
Copyright registration time
2026-07-07T13:30:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:a0018ec5d833a3a615dad7153ec4279c1412272a8380d593353aaf3fef9f119d

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.