Two Sides

Recording by Hot Totti.

Recording identifiers

ISRC
USRL19800956
CopyrightID (CopyrightChains transaction hash)
0x811eb86e7ff572eecb467aa729973d49ddb1fad65c154ba402ae2f70bcd8cc2d
Copyright registration time
2026-06-10T15:33:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:577b491a14c53a1214d6f7f1fc03e967c28945c3c488792194b008b546f328aa

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.