OT-2026-000004778
Publication integrity record
Porous face vacuum gripper, two zone face, six outlet manifold, two stage ejector
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-2026-000004778) never changes.
Identity and time
| Publication number | OT-2026-000004778 · never reused |
|---|---|
| Internal UUID | 01a0a923-0ed3-7df3-bf9b-72b341528319 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:34:02.198515Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004778 |
| Status | PUBLIC |
Content hashes
| Canonical text | 469da384ae3ee3648b9efe0e6db4f34424a2e0777efc841b4eb771402607c4e8 |
|---|---|
| Markdown | f3356d3d7490cd382c454e520e73adfab669e19ddb5ec181bdcc100f4d9bd57b |
| Publication page | 997a2167606bed7d998041116b32b7f8b27fc6a1567ff0b06502de5a4fe8a3bc |
| Manifest | 4a1cb5188b6fd3c84f04153244f6e25fb8bc4ced88a762a059bc81e3bd204358 |
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 | S3liNgXLy8hBygQcZujJwbYnZzIcYBVyqruodiwjKaaFoNbLITx4CcbC2s5NQUj/ud+ECDmDfBogNpUAOqJhDw== |
| 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
| 2026-09-16T07:40:19.950678Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004778observed 997a2167606bed7d998041116b32b7f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:19.938066Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004778/manifest.jsonobserved 4a1cb5188b6fd3c84f04153244f6e25f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:19.925756Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004778/publication.mdobserved f3356d3d7490cd382c454e520e73adfa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:19.913425Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004778/publication.txtobserved 469da384ae3ee3648b9efe0e6db4f344...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. |
|---|