ISRC USDXS0800379
Verified recording
USDXS0800379 is “The World Alone” by Calcutta,
registered on the CopyrightChains blockchain with CopyrightID
0x7d9dfa72aeeb1b7d5aeddeb5f67ab4b819c110b268200ee78db2b964253d5938 and independently timestamped
in Bitcoin block 960429 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDXS0800379.
Recording identifiers
- ISRC
- USDXS0800379
- Title
- The World Alone
- Artist
- Calcutta
- CopyrightID (CopyrightChains transaction hash)
0x7d9dfa72aeeb1b7d5aeddeb5f67ab4b819c110b268200ee78db2b964253d5938
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:07:24+00:00
- Bitcoin block
- 960429
- Canonical record hash
sha256:b5d7b562f256e13ba3fcac7cb9bbe35c1f18a345710e5626372c0f8ba14b9cbc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDXS0800379
- Bitcoin block existence check
- https://blockstream.info/api/block/960429