ISRC USHM21369517
Verified recording
USHM21369517 is “Unpopular Girl” by Sponge,
registered on the CopyrightChains blockchain with CopyrightID
0xbf0f4c470da3cbd71c8881e57a6716fc749e3cd9800d885e1fdcf0694c8be570 and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21369517.
Recording identifiers
- ISRC
- USHM21369517
- Title
- Unpopular Girl
- Artist
- Sponge
- CopyrightID (CopyrightChains transaction hash)
0xbf0f4c470da3cbd71c8881e57a6716fc749e3cd9800d885e1fdcf0694c8be570
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:c1b4fc442c7c0a37d823386980c42bdb5bbf62c52c9ad1faeb1bae1c7b863571- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21369517
- Bitcoin block existence check
- https://blockstream.info/api/block/960144