ISRC USBQU2200250
Verified recording
USBQU2200250 is “(no)” by Léa Sen,
registered on the CopyrightChains blockchain with CopyrightID
0x7703373f18a577ba15e0d5ba15276323dac96a3c391cd67ec1ace37bb72bb9ae and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBQU2200250.
Recording identifiers
- ISRC
- USBQU2200250
- Title
- (no)
- Artist
- Léa Sen
- CopyrightID (CopyrightChains transaction hash)
0x7703373f18a577ba15e0d5ba15276323dac96a3c391cd67ec1ace37bb72bb9ae
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:409ec99abbd435b97c047a9cdbb31aaa471e4cf41024ffdfd4f4d0651b958a43- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBQU2200250
- Bitcoin block existence check
- https://blockstream.info/api/block/960138