ISRC USYZV1339121
Verified recording
USYZV1339121 is “You Gotta Be Joking” by Black Flag,
registered on the CopyrightChains blockchain with CopyrightID
0x8953dccb08a22dc2333d3457fd798c382bf615fddf4bb841ab1e2b97de92bbe7 and independently timestamped
in Bitcoin block 960095 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USYZV1339121.
Recording identifiers
- ISRC
- USYZV1339121
- Title
- You Gotta Be Joking
- Artist
- Black Flag
- CopyrightID (CopyrightChains transaction hash)
0x8953dccb08a22dc2333d3457fd798c382bf615fddf4bb841ab1e2b97de92bbe7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:07:37+00:00
- Bitcoin block
- 960095
- Canonical record hash
sha256:994d6a74dc2b6f4980bbbb80ea6f639ea7fff07eb8771c57731dcfc72bbcbe87- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USYZV1339121
- Bitcoin block existence check
- https://blockstream.info/api/block/960095