ISRC USUM71307523
Verified recording
USUM71307523 is “Bound 2” by Kanye West,
registered on the CopyrightChains blockchain with CopyrightID
0x4c990e57caf482012458b6d6d70c479327e15248de438dc8756132f359a5c2b9 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/USUM71307523.
Recording identifiers
- ISRC
- USUM71307523
- Title
- Bound 2
- Artist
- Kanye West
- CopyrightID (CopyrightChains transaction hash)
0x4c990e57caf482012458b6d6d70c479327e15248de438dc8756132f359a5c2b9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:21840e0cba54136b5f921d0ef4e4244289a6c85021df1d2cac40c98256e97af9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71307523
- Bitcoin block existence check
- https://blockstream.info/api/block/953513