Take The "A" Train

Recording by Ella Fitzgerald.

Recording identifiers

ISRC
USF095725100
CopyrightID (CopyrightChains transaction hash)
0x4b520328a19799aeb0d54c5ee9a7201c2ce09a7c95295f47dead8d97129a2aa8
Copyright registration time
2026-07-07T16:29:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d1eda1b247507aba40e6dcc713f05e8aba856d68d396e9af1465e7e194142188

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.