ISRC USAT21405253
Verified recording
USAT21405253 is “Spring” by Lupe Fiasco,
registered on the CopyrightChains blockchain with CopyrightID
0xe7f12b1a2b604148fe6a0306ebd1d9a364555357b04c218471c58b0f0573d03e and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT21405253.
Recording identifiers
- ISRC
- USAT21405253
- Title
- Spring
- Artist
- Lupe Fiasco
- CopyrightID (CopyrightChains transaction hash)
0xe7f12b1a2b604148fe6a0306ebd1d9a364555357b04c218471c58b0f0573d03e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:e491ebac5097426daa479ee20f9222986cfdd0cecfba60055244e10b62bcc409- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT21405253
- Bitcoin block existence check
- https://blockstream.info/api/block/953520