Derbysieger

Recording by Marcus Sommer.

Recording identifiers

ISRC
DEES50600240
CopyrightID (CopyrightChains transaction hash)
0x49ec1c84f8ee09cd2a7251720135f7481a7210f9153c43a31681d4d981636a72
Copyright registration time
2026-07-31T22:58:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T23:30:38Z
Bitcoin block
960478
Canonical record hash
sha256:8e3cf45ff80e00b14c8bced7282fba7f12324248fe64389fcfb2dd6e3a21144d

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.