ISRC USHM21490873
Verified recording
USHM21490873 is “Perfect Numbers” by 36,
registered on the CopyrightChains blockchain with CopyrightID
0xacbc755fc6797e7f80d74062e0e4b05d99cb2e4fde9fb53854a41f77aa3fa078 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21490873.
Recording identifiers
- ISRC
- USHM21490873
- Title
- Perfect Numbers
- Artist
- 36
- CopyrightID (CopyrightChains transaction hash)
0xacbc755fc6797e7f80d74062e0e4b05d99cb2e4fde9fb53854a41f77aa3fa078
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:7ee23fb2d780f8b01c0fccf7c0dc85972bf2eebce1bbe6a184dd5e88a3058f11- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21490873
- Bitcoin block existence check
- https://blockstream.info/api/block/957118