ISRC USUM70983978
Verified recording
USUM70983978 is “Cry Tough” by Nils Lofgren,
registered on the CopyrightChains blockchain with CopyrightID
0x5a43342de6587f5869f434fa254328e2971c4110765a49dd2ad7058cc8e4d2ba and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70983978.
Recording identifiers
- ISRC
- USUM70983978
- Title
- Cry Tough
- Artist
- Nils Lofgren
- CopyrightID (CopyrightChains transaction hash)
0x5a43342de6587f5869f434fa254328e2971c4110765a49dd2ad7058cc8e4d2ba
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:c3bbb22302a9e5221b89f4986121abfe1226dd30fbd5e975f28c80482b8295bb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70983978
- Bitcoin block existence check
- https://blockstream.info/api/block/956304