SIGMA

Recording by Bonus RPK.

Recording identifiers

ISRC
PL2DY2400682
CopyrightID (CopyrightChains transaction hash)
0x1d82a633e47249cea1e37a6c0e2e84caa2a503401b2f4c2eb76e3f20ffa39f3a
Copyright registration time
2026-06-07T02:53:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:2f81525f3e0097feff830a35b4e6d75f3845cc764c22eb77f3a6a929ff1bdc47

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.