ISRC USHM21369516
Verified recording
USHM21369516 is “28 Days” by Sponge,
registered on the CopyrightChains blockchain with CopyrightID
0x2450be68c3e8d85285b5bf4e1f22d5ca67f8770dac369ba051758905b7d5896d and independently timestamped
in Bitcoin block 960160 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21369516.
Recording identifiers
- ISRC
- USHM21369516
- Title
- 28 Days
- Artist
- Sponge
- CopyrightID (CopyrightChains transaction hash)
0x2450be68c3e8d85285b5bf4e1f22d5ca67f8770dac369ba051758905b7d5896d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:48:59+00:00
- Bitcoin block
- 960160
- Canonical record hash
sha256:c10fb9fcce16d9ca37dcbe64370ced9f05108a45a5c419b6e7eb0be02b4a7aa3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21369516
- Bitcoin block existence check
- https://blockstream.info/api/block/960160