2+2=5

Recording by Sasha Skul.

Recording identifiers

ISRC
FR59R1787686
CopyrightID (CopyrightChains transaction hash)
0xf37c2399555c6913390d89c72e3b3441215e32a6153c60d183a8fb0ff899f277
Copyright registration time
2026-07-29T12:17:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T12:41:21Z
Bitcoin block
960106
Canonical record hash
sha256:77c13bf3f94daf1da78b06e4fb41dac01c5c4573da77d5524be4332f531b5165

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.