Eigth Two One

Recording by Under Side 821.

Recording identifiers

ISRC
ESA011926728
CopyrightID (CopyrightChains transaction hash)
0xde5e977ac150b0d26af0577490912e98ca9e2720260a8fd8a755f395993ae9a8
Copyright registration time
2026-06-04T16:00:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:e1d50a37a2c735c4cd590066ceec659e3a3e7b334162583c9dd62399c7aa7658

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.