ISRC USL4R2128848
Verified recording
USL4R2128848 is “El Casillas” by Martin Marquez,
registered on the CopyrightChains blockchain with CopyrightID
0xc518c8b757dc38c8ad1cd309c65c930433d83423c256cb030c6caf73323589a1 and independently timestamped
in Bitcoin block 960291 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4R2128848.
Recording identifiers
- ISRC
- USL4R2128848
- Title
- El Casillas
- Artist
- Martin Marquez
- CopyrightID (CopyrightChains transaction hash)
0xc518c8b757dc38c8ad1cd309c65c930433d83423c256cb030c6caf73323589a1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:23:33+00:00
- Bitcoin block
- 960291
- Canonical record hash
sha256:306cecd072416a7c6ea61016f22a0c8fba78d2eb5a5510e6d728c8fee3a0adc8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4R2128848
- Bitcoin block existence check
- https://blockstream.info/api/block/960291