ISRC USB4U0471021
Verified recording
USB4U0471021 is “Fuck Halloween” by Blanks 77,
registered on the CopyrightChains blockchain with CopyrightID
0x0de3379f6efc32c484d7a56ef816cb79de547d8bc861cfbb8fd3a5b49c2fc183 and independently timestamped
in Bitcoin block 960317 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB4U0471021.
Recording identifiers
- ISRC
- USB4U0471021
- Title
- Fuck Halloween
- Artist
- Blanks 77
- CopyrightID (CopyrightChains transaction hash)
0x0de3379f6efc32c484d7a56ef816cb79de547d8bc861cfbb8fd3a5b49c2fc183
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T21:35:24+00:00
- Bitcoin block
- 960317
- Canonical record hash
sha256:bc8f870763d758292196b16bb88ba0c116220fe23567ea8110bd8c01760bb631- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB4U0471021
- Bitcoin block existence check
- https://blockstream.info/api/block/960317