ISRC USB4U0400976
Verified recording
USB4U0400976 is “How They Light Cigarettes In Prison” by Drowningman,
registered on the CopyrightChains blockchain with CopyrightID
0x4470e6d5affd8302ab01db5f43756f88d2afb1a3db211f194fb4686d06a74d6a and independently timestamped
in Bitcoin block 960362 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB4U0400976.
Recording identifiers
- ISRC
- USB4U0400976
- Title
- How They Light Cigarettes In Prison
- Artist
- Drowningman
- CopyrightID (CopyrightChains transaction hash)
0x4470e6d5affd8302ab01db5f43756f88d2afb1a3db211f194fb4686d06a74d6a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T06:58:00+00:00
- Bitcoin block
- 960362
- Canonical record hash
sha256:1acd34f019af772a26446019a3e8ee69f603d52139ca33f61b6989a3b4ffeaf9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB4U0400976
- Bitcoin block existence check
- https://blockstream.info/api/block/960362
Full record
Track page: How They Light Cigarettes In Prison · Machine-readable JSON-LD