ISRC USUM71705446
Verified recording
USUM71705446 is “2 Cigarettes” by Jack & Jack,
registered on the CopyrightChains blockchain with CopyrightID
0x7826e49f79b45a4cd02c1216b6e3ce045e29f1c8432449494902dd9453eee001 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/USUM71705446.
Recording identifiers
- ISRC
- USUM71705446
- Title
- 2 Cigarettes
- Artist
- Jack & Jack
- CopyrightID (CopyrightChains transaction hash)
0x7826e49f79b45a4cd02c1216b6e3ce045e29f1c8432449494902dd9453eee001
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:a48429f57649d56f8ca993f18d0948266ccd4e3578262b5a5cb70df4032d9cf9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71705446
- Bitcoin block existence check
- https://blockstream.info/api/block/953513