OT-2026-000004928
Publication integrity record
Porous face vacuum gripper, four zone face, plant vacuum fed, pressure verified at each zone
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000004928) never changes.
Identity and time
| Publication number | OT-2026-000004928 · never reused |
|---|---|
| Internal UUID | 01a0a928-1c9f-70f9-bdff-656ed2d1496b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:39:33.410262Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004928 |
| Status | PUBLIC |
Content hashes
| Canonical text | a4aee82e007d10280299b1c6c7f894e4428b6275dac269519e90ce31503a88e2 |
|---|---|
| Markdown | 0091d47bc08f713b6e6181e37fab7a41d2e19b2bf033efbda774b53d5b816613 |
| Publication page | ca857e9dff03cd767b2b426d6e2daf4ca54313fbec78a5e5758ddef69ee66ad9 |
| Manifest | eab42418cdaff70cbdec2ac6e765ac41c417c830d44ef46e23a0fa08f4eaedd0 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | w+5/lYzbaBYlLcx4xSL51kMeP6c3hSAfLwcUqjdJEv3XcXodNLhglKnsBPLnqzhGYtPsxjYfcMFMdayDcM8tCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:03.728699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004928observed ca857e9dff03cd767b2b426d6e2daf4c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:03.718026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004928/manifest.jsonobserved eab42418cdaff70cbdec2ac6e765ac41...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:03.706185Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004928/publication.mdobserved 0091d47bc08f713b6e6181e37fab7a41...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:03.693106Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004928/publication.txtobserved a4aee82e007d10280299b1c6c7f894e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|