ISRC USHM21602663
Verified recording
USHM21602663 is “2 X 4” by Sponge,
registered on the CopyrightChains blockchain with CopyrightID
0x23489b036b17655c57a04a961479f773c560e6cbbc32829d44f576ab8d854f7e and independently timestamped
in Bitcoin block 960164 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21602663.
Recording identifiers
- ISRC
- USHM21602663
- Title
- 2 X 4
- Artist
- Sponge
- CopyrightID (CopyrightChains transaction hash)
0x23489b036b17655c57a04a961479f773c560e6cbbc32829d44f576ab8d854f7e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:23:05+00:00
- Bitcoin block
- 960164
- Canonical record hash
sha256:3a68c9c1085177f220acfdafe53578b3f675ae6866ba3571e55802a6886e8032- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21602663
- Bitcoin block existence check
- https://blockstream.info/api/block/960164