ISRC USL4Q1940390
Verified recording
USL4Q1940390 is “Perdido en la Plata” by K4,
registered on the CopyrightChains blockchain with CopyrightID
0x31b633a1c0a1122c131e04b0208897531002cf361cb27a5e8e6487c4154e9de0 and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q1940390.
Recording identifiers
- ISRC
- USL4Q1940390
- Title
- Perdido en la Plata
- Artist
- K4
- CopyrightID (CopyrightChains transaction hash)
0x31b633a1c0a1122c131e04b0208897531002cf361cb27a5e8e6487c4154e9de0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:d5922d74a55a4c0cac07ed98ac1107ba6b0e4c69f6180a5fd701983b86adbaa5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q1940390
- Bitcoin block existence check
- https://blockstream.info/api/block/960284