ISRC US4HB2200494
Verified recording
US4HB2200494 is “CIGARETTES” by Zachary Knowles,
registered on the CopyrightChains blockchain with CopyrightID
0x6b11afc93a4ed1804739b0a4a46a89f28ec6bdded62c474d0ab18ff74749bfaf and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4HB2200494.
Recording identifiers
- ISRC
- US4HB2200494
- Title
- CIGARETTES
- Artist
- Zachary Knowles
- CopyrightID (CopyrightChains transaction hash)
0x6b11afc93a4ed1804739b0a4a46a89f28ec6bdded62c474d0ab18ff74749bfaf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:7b44aaa4888d83629606d4adb11cedef9fb78eaa85a7312eb3fd0fb997e30e67- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4HB2200494
- Bitcoin block existence check
- https://blockstream.info/api/block/953520