ISRC USUM71210090
Verified recording
USUM71210090 is “Mercy.1” by Kanye West,
registered on the CopyrightChains blockchain with CopyrightID
0x3c1221a31706c963cf05a31c82132ec98ef31304769a501f6fb87ac8c4e05bbe and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71210090.
Recording identifiers
- ISRC
- USUM71210090
- Title
- Mercy.1
- Artist
- Kanye West
- CopyrightID (CopyrightChains transaction hash)
0x3c1221a31706c963cf05a31c82132ec98ef31304769a501f6fb87ac8c4e05bbe
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:98045ffb6f1ded9b793d79fa46cb8832611a1dc62102a8903477a1240827e95b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71210090
- Bitcoin block existence check
- https://blockstream.info/api/block/953513