On the 2nd Floor

Recording by Airlock.

Recording identifiers

ISRC
USWR30910136
CopyrightID (CopyrightChains transaction hash)
0xdfee74bd7e983b51d6ca338a2ba35b1c34b0c0364c2d7cdaf1da5b0ad3ad44ff
Copyright registration time
2026-06-12T02:38:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:b59b029106811dd0e21b01a666e430926db4f21468db7288014da1b10d3fee1d

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.