I Knew You Were Trouble.

Recording by Taylor Swift.

Recording identifiers

ISRC
USCJY1231039
CopyrightID (CopyrightChains transaction hash)
0xcca5c040380911e819dcdd54b09c3aacb84020c7cdc07e443a4c7b3b3a2599f8
Copyright registration time
2026-06-01T04:02:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:0689c4c4e562fa5c1c38eb8c3196cdf4b30e2d1037a8720340a47b5aa9000b1b

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.