Option, Vol. 2

Recording by Kasper 939.

Recording identifiers

ISRC
FR10S2001780
CopyrightID (CopyrightChains transaction hash)
0x7f2e0d3b80e2389b7d4109764cd9482752d4995105f0fa23730bcb84f5923e5e
Copyright registration time
2026-06-23T19:27:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:824fea417ebd49b991850eab8c85c61d1c20371213eafa6d6ea2136ba8130faf

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.