20 BPM - T&A Demo Sep 10 2015

Recording by Per Gessle.

Recording identifiers

ISRC
SEVWA2300810
CopyrightID (CopyrightChains transaction hash)
0xc1e047299e90025a435932a40799e9718151292bd2dd13188577c33fa47e9a43
Copyright registration time
2026-07-07T15:38:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:ab2f6c3150120e73bd5f6995ee0b9a60f0529e866e48c57d282012260787a188

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.