OT-2026-000004304
Publication integrity record
Porous face vacuum gripper, three zone face, per zone isolation, ejector fed, 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-2026-000004304) never changes.
Identity and time
| Publication number | OT-2026-000004304 · never reused |
|---|---|
| Internal UUID | 01a0a913-7723-78d5-a48b-54e214f94494 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:17:00.328366Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004304 |
| Status | PUBLIC |
Content hashes
| Canonical text | f5dcdaec085e62d74024f8f90227bc4d4052a6b6e536aae77985692a86963829 |
|---|---|
| Markdown | c626992ba1f9262e203d61ad97697ce374ab1c60d39f5355b115560786bf2c6e |
| Publication page | adc18b479db96355013716a4a9764f425f1d75f46e41515ea8591cc5854ae5e5 |
| Manifest | c73fd2b90228041e0ef147a54f5ff17b999c039f2631a1273fae5009685ea591 |
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 | PkDgtscH6tws280dqQhtxplJhqcxvSv1AlRvfgM/Czyin6h0LqGTtOeskcAQEMyTtGuge4y9LJFZ1zG0H43SAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:12.976189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004304observed adc18b479db96355013716a4a9764f42...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:12.962082Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004304/manifest.jsonobserved c73fd2b90228041e0ef147a54f5ff17b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:12.948464Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004304/publication.mdobserved c626992ba1f9262e203d61ad97697ce3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:12.933866Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004304/publication.txtobserved f5dcdaec085e62d74024f8f90227bc4d...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. |
|---|