ISRC USL4R1947565
Verified recording
USL4R1947565 is “Calloused Boy” by Mephiskapheles,
registered on the CopyrightChains blockchain with CopyrightID
0x0968f34a78ef4c1bc81b98d5fdb6b6c3f9d984fca43d2b0d4450dcea719935d2 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/USL4R1947565.
Recording identifiers
- ISRC
- USL4R1947565
- Title
- Calloused Boy
- Artist
- Mephiskapheles
- CopyrightID (CopyrightChains transaction hash)
0x0968f34a78ef4c1bc81b98d5fdb6b6c3f9d984fca43d2b0d4450dcea719935d2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:cc1f3a08f214c99360edfb51aed1a518ece0f0ab3465ea05a23ad493a7d7610e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4R1947565
- Bitcoin block existence check
- https://blockstream.info/api/block/957118