Topsy

Recording by Al Cohn.

Recording identifiers

ISRC
NLHR52116012
CopyrightID (CopyrightChains transaction hash)
0x5e1af666c5cd4a4aa55f74736eaa6caa3e126d3ffc26d216adafba8192b1e6f4
Copyright registration time
2026-07-07T10:57:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:a91220f6f4fc15005f8dafd1e032279772e70f066db6f651b30f3538c2c1acb3

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.