ISRC USUG12205730

Verified recording

USUG12205730 is “Mastermind” by Taylor Swift, registered on the CopyrightChains blockchain with CopyrightID 0x4e4c53df898b2f268f28d6938015ab0d35f1e251b2728cf73e14b11807968dc9 and independently timestamped in Bitcoin block 953513 on 2026-06-13. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUG12205730.

Recording identifiers

ISRC
USUG12205730
Title
Mastermind
Artist
Taylor Swift
CopyrightID (CopyrightChains transaction hash)
0x4e4c53df898b2f268f28d6938015ab0d35f1e251b2728cf73e14b11807968dc9

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07+00:00
Bitcoin block
953513
Canonical record hash
sha256:e7213db55aa19050f3725b66c33757a64e417ee576174fe273717cd70b6884d2
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUG12205730
Bitcoin block existence check
https://blockstream.info/api/block/953513

Full record

Track page: Mastermind · Machine-readable JSON-LD