Retrospective

Recording by Sven Figee.

Recording identifiers

ISRC
NLRD51400566
CopyrightID (CopyrightChains transaction hash)
0x0abf26b80107c95db24ac37f443531947393d1073ea3d0d6c83ca57e779e43f1
Copyright registration time
2026-07-30T08:59:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T09:37:10Z
Bitcoin block
960236
Canonical record hash
sha256:ed92307c039c0eae82f296676990e592590065fa144c701def9c0ece16bf2085

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.