ISRC USEP40357103
Verified recording
USEP40357103 is “Hold It Down” by Madball,
registered on the CopyrightChains blockchain with CopyrightID
0x4c23842c33fe4603e2c419aa59a71e66f85efb7d7d2277e2d5985484abd78f6a and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USEP40357103.
Recording identifiers
- ISRC
- USEP40357103
- Title
- Hold It Down
- Artist
- Madball
- CopyrightID (CopyrightChains transaction hash)
0x4c23842c33fe4603e2c419aa59a71e66f85efb7d7d2277e2d5985484abd78f6a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:fa63fd8e2c6fa5e528b0337fe10883ba02be481614b4717569c1656c7f7bc9cb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USEP40357103
- Bitcoin block existence check
- https://blockstream.info/api/block/956304