Retrospective

Recording by Hydrogenii.

Recording identifiers

ISRC
FR2X42459289
CopyrightID (CopyrightChains transaction hash)
0x43b373c7c6487cb66df3a43f99ff64c986601c372bc816b230f4cfa591f077e1
Copyright registration time
2026-06-24T05:42:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:6717213ad2ef30f150381112c839de0ac292b9e9354803409d223e4c1066c2d1

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.