Harold Working, Nicky Recovering / Nicky On The Stairs

Recording by John Surman.

Recording identifiers

ISRC
FR13V0200004
CopyrightID (CopyrightChains transaction hash)
0xd2aa5f17a3a51a064f889e528f88a99a0594372633dd11d82f99b43b0216159c
Copyright registration time
2026-07-30T19:00:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T19:11:09Z
Bitcoin block
960296
Canonical record hash
sha256:a45d0d8408776668a13a77be945c8d07af76179e9f4a39436343aad962230938

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.