Left Behind

Recording by Thomas Lemmer.

Recording identifiers

ISRC
DEAS81600055
CopyrightID (CopyrightChains transaction hash)
0xe707052cbffb6801e9f1abb4f03c02bfb9aad2706672efb6b8114c9b51774c18
Copyright registration time
2026-06-10T06:24:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:7f049b9f648dad7743b0d02aa11e97563e5fbadfc9575a7ab3923def926aa5df

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.