Back To The Land

Recording by Lester Young.

Recording identifiers

ISRC
USPR39985056
CopyrightID (CopyrightChains transaction hash)
0xdc772f6c7448edad9fd74e35934b6aab2ab30d10f0fb9137a9de1b328cba53ba
Copyright registration time
2026-07-30T07:04:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T07:28:30Z
Bitcoin block
960220
Canonical record hash
sha256:b6a082a3c60f5169ac4fc2ecf3d48457e806da44b222ad10ae33748198d8b586

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.