ISRC GBCFB1300322
Verified recording
GBCFB1300322 is “Smash It Up Hard” by MRK1,
registered on the CopyrightChains blockchain with CopyrightID
0x471d65d3a6f1d61a778c0e8fe9c0fa7e270a4726627f01e956971d1f781dd1ae and independently timestamped
in Bitcoin block 960117 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCFB1300322.
Recording identifiers
- ISRC
- GBCFB1300322
- Title
- Smash It Up Hard
- Artist
- MRK1
- CopyrightID (CopyrightChains transaction hash)
0x471d65d3a6f1d61a778c0e8fe9c0fa7e270a4726627f01e956971d1f781dd1ae
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T14:28:24+00:00
- Bitcoin block
- 960117
- Canonical record hash
sha256:fb0b2cfa7761747e4043f32115a60bede69b9f1dd37d45e91eb9be863396626c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCFB1300322
- Bitcoin block existence check
- https://blockstream.info/api/block/960117