Sign O' The Times - 2020 Remaster

Recording by Prince.

Recording identifiers

ISRC
USRH12000001
CopyrightID (CopyrightChains transaction hash)
0xa80f5a4b451803611ea708f1605d4cea37f1a8d2b79c2359df748e8556ac699f
Copyright registration time
2026-06-07T06:40:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:caa14aa765961b865c858fb58254083851808b2ca370d64864ac893a0a45a6cd

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.