ISRC USL4Q2200833
Verified recording
USL4Q2200833 is “La Esquina” by Arquero,
registered on the CopyrightChains blockchain with CopyrightID
0x1905be801d00f7730fc8542d7015c722b93e4c13636519f66024715247828999 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q2200833.
Recording identifiers
- ISRC
- USL4Q2200833
- Title
- La Esquina
- Artist
- Arquero
- CopyrightID (CopyrightChains transaction hash)
0x1905be801d00f7730fc8542d7015c722b93e4c13636519f66024715247828999
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:4019d829d5c204d7b5618c00ca683c4321b33b3110965a67098a7db172ceaf2f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q2200833
- Bitcoin block existence check
- https://blockstream.info/api/block/960327