ISRC USNO10164904
Verified recording
USNO10164904 is “El Llorar (Crying)” by Kronos Quartet,
registered on the CopyrightChains blockchain with CopyrightID
0x6dd4e2d48ec1efd6388c00101bb02e17fbffedfa4622d730c41fabb17d4eab9e and independently timestamped
in Bitcoin block 960218 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO10164904.
Recording identifiers
- ISRC
- USNO10164904
- Title
- El Llorar (Crying)
- Artist
- Kronos Quartet
- CopyrightID (CopyrightChains transaction hash)
0x6dd4e2d48ec1efd6388c00101bb02e17fbffedfa4622d730c41fabb17d4eab9e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T06:57:05+00:00
- Bitcoin block
- 960218
- Canonical record hash
sha256:1b1e2f21d5549f4bc9c1b244871bce6f17b92eb1912349ea8b8f0ac1e7994093- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO10164904
- Bitcoin block existence check
- https://blockstream.info/api/block/960218