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Recording by Marcin Sójka.

Recording identifiers

ISRC
PLUM72100815
CopyrightID (CopyrightChains transaction hash)
0x2de6ea0dae5e43bf7b5406bcc089710505127515403c03555ed8632ce9d5f8f3
Copyright registration time
2026-07-06T22:27:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4ddfc2f1d2332c2d028ff7664fa6c400587f31a01c6ef5bb7b19de05a3a9711e

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.