Ulfsild's Legacy

Recording by Brad Derrick.

Recording identifiers

ISRC
QMTH32300117
CopyrightID (CopyrightChains transaction hash)
0x6cb04fc0e9e31aa739de87bc11f378926598fd26c8c7a6caab4cedb2deca2101
Copyright registration time
2026-06-27T18:22:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:e363ae71b694c89eefdb78f0d6f657da12ce21c0c4f436813267d78501e0ab29

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.