A XII

Recording by Thomas Lemmer.

Recording identifiers

ISRC
DEAS81700015
CopyrightID (CopyrightChains transaction hash)
0x3a33f7247acdcb545f0d8480664a697be23f56cf897ef1c3fa9cc7b161da0285
Copyright registration time
2026-06-21T08:11:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:35a4c21463f479b812b8e6fbcc56d9207e978a2295a0676e7fa7902997dd65ed

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.