Sign 'O' the Times - Outtake

Recording by Nina Simone.

Recording identifiers

ISRC
USEE10301345
CopyrightID (CopyrightChains transaction hash)
0x18682d02217e2743fb288158554b4e18234f43ba140e7af1a2b7a8b31a448983
Copyright registration time
2026-06-25T04:32:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:9e9d1ddaff2e9985364764a41deb0b765ff028e5b9a0d64dc50e2f22cb8d2012

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.