Downtown

Recording by Def Jef.

Recording identifiers

ISRC
USA370513726
CopyrightID (CopyrightChains transaction hash)
0x3f852b6e244dc8e2781f92ca23f3793f785e478b981528d7eb024be07a16a308
Copyright registration time
2026-07-08T00:23:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04Z
Bitcoin block
957122
Canonical record hash
sha256:c7b53aa49918576a2430cc4b49ba38ec2991b803cdb019793d45b3d253d4f595

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.