ISRC US4HB1000039
Verified recording
US4HB1000039 is “Block After Block” by Matt and Kim,
registered on the CopyrightChains blockchain with CopyrightID
0x6f1cd4ebbc6d03e3f96bba5e2b43e812a9ca5a324798f9ad177f2f5cc3ee2132 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4HB1000039.
Recording identifiers
- ISRC
- US4HB1000039
- Title
- Block After Block
- Artist
- Matt and Kim
- CopyrightID (CopyrightChains transaction hash)
0x6f1cd4ebbc6d03e3f96bba5e2b43e812a9ca5a324798f9ad177f2f5cc3ee2132
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:8103d46d7078c0bae56475ffc950f9ea689a4c2608df88b60986a481722ee6af- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4HB1000039
- Bitcoin block existence check
- https://blockstream.info/api/block/957118