OT-2026-000004248
Publication integrity record
Porous face vacuum gripper, three zone face, three stage ejector, pressure verified, open 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-2026-000004248) never changes.
Identity and time
| Publication number | OT-2026-000004248 · never reused |
|---|---|
| Internal UUID | 01a0a912-9077-74fb-8877-ee4d10192e11 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:01.274556Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004248 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5e125eab8b1f3ed0fc0bbe3d8a004a2902db651217be6c12ea6462729af8511c |
|---|---|
| Markdown | 7765397491ade5310812768b648d7ffb120e42c04e224d12dc2af3dea4d3fe22 |
| Publication page | ca90b49c735e25ffdb1c9852212cf501149e4939850df70a6df9b2cbb049b88b |
| Manifest | e32ad02f94dd8c32ec9a92602d2ee223655c824cd1f3d3e70efd9874774f3e54 |
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 | CmSSXR2GPisxzYDZ3wF2OFYTOmuK/xPx0ULsYK6gv6ame02qb25s4+lPuP+Rj/IYx4fvz3zAsdLGGdXDOdi0Dg== |
| 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
| 2026-09-16T07:20:19.439350Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004248observed ca90b49c735e25ffdb1c9852212cf501...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:19.425022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004248/manifest.jsonobserved e32ad02f94dd8c32ec9a92602d2ee223...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:19.412512Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004248/publication.mdobserved 7765397491ade5310812768b648d7ffb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:19.400037Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004248/publication.txtobserved 5e125eab8b1f3ed0fc0bbe3d8a004a29...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. |
|---|