ISRC USSD19905222
Verified recording
USSD19905222 is “Sorry Seems to Be the Hardest Word” by Nestor Torres,
registered on the CopyrightChains blockchain with CopyrightID
0x2703e03da450e07e6bfc8fb37e0df74cbd928325560c8850f299dfc8d66b57c6 and independently timestamped
in Bitcoin block 960339 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSD19905222.
Recording identifiers
- ISRC
- USSD19905222
- Title
- Sorry Seems to Be the Hardest Word
- Artist
- Nestor Torres
- CopyrightID (CopyrightChains transaction hash)
0x2703e03da450e07e6bfc8fb37e0df74cbd928325560c8850f299dfc8d66b57c6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T03:13:37+00:00
- Bitcoin block
- 960339
- Canonical record hash
sha256:3cfdedf29b4a4dff152d92ad03cfcfb635ab92ff1e81f012c0f7ff0468132289- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSD19905222
- Bitcoin block existence check
- https://blockstream.info/api/block/960339
Full record
Track page: Sorry Seems to Be the Hardest Word · Machine-readable JSON-LD