ISRC US4HB2000220
Verified recording
US4HB2000220 is “super sad songs” by Zachary Knowles,
registered on the CopyrightChains blockchain with CopyrightID
0xcae7181c75b8994936140138dfa7d8313615fdae4f80717f7188c1745b468854 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/US4HB2000220.
Recording identifiers
- ISRC
- US4HB2000220
- Title
- super sad songs
- Artist
- Zachary Knowles
- CopyrightID (CopyrightChains transaction hash)
0xcae7181c75b8994936140138dfa7d8313615fdae4f80717f7188c1745b468854
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:ae421745f542bf3c88cfce662d664341519c3a79936ab5b292378fa44eed5612- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4HB2000220
- Bitcoin block existence check
- https://blockstream.info/api/block/953520