Marschlek

Recording by Göteborgs Symfonietta.

Recording identifiers

ISRC
SEAMQ0400212
CopyrightID (CopyrightChains transaction hash)
0x28d242dbdd8ef311e8d36b6e673608757fd880232ff7d9f16d538e2eb32df2f3
Copyright registration time
2026-01-28T18:36:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:af6c55596daca85246414fe51c6e239c66612e682fcbb01a5766fd5c1527c550

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.