ISRC USWD11677906
Verified recording
USWD11677906 is “Heartache” by Mark Mancina,
registered on the CopyrightChains blockchain with CopyrightID
0xf338cab4378aa89b5c23311a6407f7c2d98bae1793ce9d052e512ef3ba4b3f83 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USWD11677906.
Recording identifiers
- ISRC
- USWD11677906
- Title
- Heartache
- Artist
- Mark Mancina
- CopyrightID (CopyrightChains transaction hash)
0xf338cab4378aa89b5c23311a6407f7c2d98bae1793ce9d052e512ef3ba4b3f83
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:2603c0caa8b76148db6bbac5f552b5aee861e9a529498aa9e30fb5b283d1e89f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USWD11677906
- Bitcoin block existence check
- https://blockstream.info/api/block/953520