OT-2026-000004994
Publication integrity record
Porous face vacuum gripper, three zone face, ejector fed, pressure verified, contact triggered, closed cell
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-2026-000004994) never changes.
Identity and time
| Publication number | OT-2026-000004994 · never reused |
|---|---|
| Internal UUID | 01a0a92a-5eb7-74fe-a3ef-0b5834aba3e5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:42:01.404579Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004994 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1b19d040d9a7dd898fdded0f8f4c1e53cbed305490dcd6ff2f33b96cd87664ba |
|---|---|
| Markdown | 77852c800f7c5bbf3d2b1a9513a0a839298b7e910cc22df439dc3124d8e5eac8 |
| Publication page | d30e0d3a39f0aa73123296ced6f5538aa7cc9f97553d9845d04a12368ae3abd1 |
| Manifest | d244a1a2cb72df961ed31b22221831236665983aa174dcbc244c12882942c594 |
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 | HAHHWY1PPLfhmlFRvkaF2qqSsCxrBW/JSDrlujswmd7EwcbB2P4Orm1FmGzEDNVQEPDZDstUNFfEOZ6gjQ2jBA== |
| 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
| 2026-09-16T07:50:26.989206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004994observed d30e0d3a39f0aa73123296ced6f5538a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:26.975046Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004994/manifest.jsonobserved d244a1a2cb72df961ed31b2222183123...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:26.961877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004994/publication.mdobserved 77852c800f7c5bbf3d2b1a9513a0a839...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:26.948413Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004994/publication.txtobserved 1b19d040d9a7dd898fdded0f8f4c1e53...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. |
|---|