At Dusk

Recording by John Surman.

Recording identifiers

ISRC
DEB339970201
CopyrightID (CopyrightChains transaction hash)
0x122d170b8a9cf642a6da887ca2e2a4e0f319d0158d164490f42609759b89833e
Copyright registration time
2026-07-29T16:36:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:1def60bdf4fc40d8f242cfe9fa569f4fbe2d8a3654b8336ca6b18fe4a31286a1

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.