it’s time to go - bonus track

Recording by Taylor Swift.

Recording identifiers

ISRC
USUG12004721
CopyrightID (CopyrightChains transaction hash)
0x5de341f5e94b6a899c8ced5afe44d8e5b76fdd5f967d90663ebc8bf23b8e1a42
Copyright registration time
2026-06-01T09:32:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:b4d71057c5acb86dd9b2cbf60c08229cf97118f3c0b1cffecca192e900f7d635

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.