ISRC USUM72008157
Verified recording
USUM72008157 is “El Matrero” by Martin Marquez,
registered on the CopyrightChains blockchain with CopyrightID
0xf8d3d49c93c91a51b2db0ee3a17a2165bcce8533ff47ba2a08cc8f8344af965b and independently timestamped
in Bitcoin block 960106 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72008157.
Recording identifiers
- ISRC
- USUM72008157
- Title
- El Matrero
- Artist
- Martin Marquez
- CopyrightID (CopyrightChains transaction hash)
0xf8d3d49c93c91a51b2db0ee3a17a2165bcce8533ff47ba2a08cc8f8344af965b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T12:41:21+00:00
- Bitcoin block
- 960106
- Canonical record hash
sha256:c7879ff2a2c3afbffba1a79e6847012c4fe57a7eec9d7a254b49072cc9a7c919- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72008157
- Bitcoin block existence check
- https://blockstream.info/api/block/960106