ISRC USUM72015557
Verified recording
USUM72015557 is “Weekend?” by Duckwrth,
registered on the CopyrightChains blockchain with CopyrightID
0x1ba6161dc7659779596d9db30d16526ee23730a1a3774c43b71d59f9e641bebf 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/USUM72015557.
Recording identifiers
- ISRC
- USUM72015557
- Title
- Weekend?
- Artist
- Duckwrth
- CopyrightID (CopyrightChains transaction hash)
0x1ba6161dc7659779596d9db30d16526ee23730a1a3774c43b71d59f9e641bebf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:34250bfafee645652fd69c19dee13e22f979a64788894d27ce5298ed056d7688- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72015557
- Bitcoin block existence check
- https://blockstream.info/api/block/953520