Back To December - Acoustic

Recording by Taylor Swift.

Recording identifiers

ISRC
USCJY1003672
CopyrightID (CopyrightChains transaction hash)
0xf9490c0f9daa9a0183f62d265e109d142dbd5cf8e3df28256cc144eda4e32f43
Copyright registration time
2026-06-04T08:17:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:1947930273ee1f64c7467f67839ae00ab3996890260affb49bc272295d4fb165

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.