ISRC USMBR1209304
Verified recording
USMBR1209304 is “March of the Crabs / Jackhammer” by Anvil,
registered on the CopyrightChains blockchain with CopyrightID
0xa4fe29ee90fe7d981b0fcd641ee2bffc34782dbb688e30105aafe17368bca8fa and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMBR1209304.
Recording identifiers
- ISRC
- USMBR1209304
- Title
- March of the Crabs / Jackhammer
- Artist
- Anvil
- CopyrightID (CopyrightChains transaction hash)
0xa4fe29ee90fe7d981b0fcd641ee2bffc34782dbb688e30105aafe17368bca8fa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:588422610461a76aa08204eeac8ca876e4f851bf8196a24f85c0a426bc09f63e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMBR1209304
- Bitcoin block existence check
- https://blockstream.info/api/block/960468
Full record
Track page: March of the Crabs / Jackhammer · Machine-readable JSON-LD