ISRC USUM70809109
Verified recording
USUM70809109 is “Boys” by Ashlee Simpson,
registered on the CopyrightChains blockchain with CopyrightID
0xa619114941caa6cda9f75be2e6b0468f280a6e50cd81d531c891791886ea8f35 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70809109.
Recording identifiers
- ISRC
- USUM70809109
- Title
- Boys
- Artist
- Ashlee Simpson
- CopyrightID (CopyrightChains transaction hash)
0xa619114941caa6cda9f75be2e6b0468f280a6e50cd81d531c891791886ea8f35
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:831744d666a2f8adde08b08926d4b313e5b794107ec78133c537e29cd0cef40c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70809109
- Bitcoin block existence check
- https://blockstream.info/api/block/956302