Backwards & Forwards

Recording by Saunder Jurriaans.

Recording identifiers

ISRC
QZ8BZ2000520
CopyrightID (CopyrightChains transaction hash)
0x26bc35d24c0c26bfee4f63bf496d6d9483c39993126e978275e3d28ffe1e423d
Copyright registration time
2026-06-10T22:04:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:4a2b3bf1ae0286c3e1beb410c8e53b97d60a19953cebc2b321ee690464bcba05

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.