ISRC USTCB0973621
Verified recording
USTCB0973621 is “Siempre (Always)” by Alexis Ffrench,
registered on the CopyrightChains blockchain with CopyrightID
0xe73f8df00d448f08f19339ad7de0b6c3943a847c0b2375402825bd74847ddff0 and independently timestamped
in Bitcoin block 960236 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTCB0973621.
Recording identifiers
- ISRC
- USTCB0973621
- Title
- Siempre (Always)
- Artist
- Alexis Ffrench
- CopyrightID (CopyrightChains transaction hash)
0xe73f8df00d448f08f19339ad7de0b6c3943a847c0b2375402825bd74847ddff0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:37:10+00:00
- Bitcoin block
- 960236
- Canonical record hash
sha256:88fd5810c6cbd357d004577e486bcfd8d0bcb84a76fa0ae96836d23bb4eea9a7- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTCB0973621
- Bitcoin block existence check
- https://blockstream.info/api/block/960236