Echoes of Harlem

Recording by John Kirby.

Recording identifiers

ISRC
USC9R8401424
CopyrightID (CopyrightChains transaction hash)
0x069b3b9d92d7b1ac374713a051d0aa60f24c4f98b5efe2a2ab0f75c1060b91fe
Copyright registration time
2026-07-31T01:44:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:28bb50032d94cdb857b889271d45aad96305ff598185d8e78a78f63b114affcc

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.