Naptown U.S.A.

Recording by The J.J. Johnson Quintet.

Recording identifiers

ISRC
USSM11504468
CopyrightID (CopyrightChains transaction hash)
0x33a8a9abcdbaa9d5c338ce589501614b8a50a9ff98d63e054c87787e5b48a4fc
Copyright registration time
2026-07-30T11:36:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T12:06:10Z
Bitcoin block
960254
Canonical record hash
sha256:a6c39dadc9773a75e0e8504cabd8d2396f976b74c0666c000c8c9e4aa178b4e9

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.