ISRC USNO11700662
Verified recording
USNO11700662 is “Darkness Falls” by Kronos Quartet,
registered on the CopyrightChains blockchain with CopyrightID
0x188cfee02ee3fccde7c2b8556c8f051d91cdc2210685764b9d4d35b6193ec946 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO11700662.
Recording identifiers
- ISRC
- USNO11700662
- Title
- Darkness Falls
- Artist
- Kronos Quartet
- CopyrightID (CopyrightChains transaction hash)
0x188cfee02ee3fccde7c2b8556c8f051d91cdc2210685764b9d4d35b6193ec946
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:d9f86d41d11d2aa53a712addffc87037022a11e3fac293078e4fb96d9168a1db- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO11700662
- Bitcoin block existence check
- https://blockstream.info/api/block/956302