ISRC USL4Q2277288
Verified recording
USL4Q2277288 is “Aquella Cierta Sonrisa” by Juan Carlos Salazar,
registered on the CopyrightChains blockchain with CopyrightID
0x3bd7abeef832b24d492a856c28e4b8d48e67acc47bfaecf48f086d39c8aaef89 and independently timestamped
in Bitcoin block 960427 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q2277288.
Recording identifiers
- ISRC
- USL4Q2277288
- Title
- Aquella Cierta Sonrisa
- Artist
- Juan Carlos Salazar
- CopyrightID (CopyrightChains transaction hash)
0x3bd7abeef832b24d492a856c28e4b8d48e67acc47bfaecf48f086d39c8aaef89
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:59:18+00:00
- Bitcoin block
- 960427
- Canonical record hash
sha256:0a482c2e804c8c5e94470e2decebf49728d965a87c18cca8b80712fb77afc85a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q2277288
- Bitcoin block existence check
- https://blockstream.info/api/block/960427
Full record
Track page: Aquella Cierta Sonrisa · Machine-readable JSON-LD