OT-2026-000004379
Publication integrity record
Bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000004379) never changes.
Identity and time
| Publication number | OT-2026-000004379 · never reused |
|---|---|
| Internal UUID | 01a0a915-b79e-7ead-b3d2-e6b2b6922857 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:19:27.905798Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004379 |
| Status | PUBLIC |
Content hashes
| Canonical text | b727de1aa752a50fc7e510f945cc4ab8523050b23f0aa56b0cfa596f5e5868d7 |
|---|---|
| Markdown | 5befe0cedd83459b6ed3492e83e6b72c73e40b374acb093711b07202e5d30ab1 |
| Publication page | ae4ab911d58afeb1c1f07c27c895093b0354fd4476bbb97c7f0e589fca13cbab |
| Manifest | 2468f772dd5a34eac7a6524656dd7a9806dde015233a3fcba8af51424cbaa2e5 |
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 | 6fLbMiANo4kfq06n6ddx4K+FkKyw+k+6iCynIccRBsEAYWnXKps7v11U2io8JjF80DCn8RGL6CwfbkMmXZBIAQ== |
| 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
| 2026-09-16T07:20:04.477535Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004379observed ae4ab911d58afeb1c1f07c27c895093b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:04.464604Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004379/manifest.jsonobserved 2468f772dd5a34eac7a6524656dd7a98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:04.451833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004379/publication.mdobserved 5befe0cedd83459b6ed3492e83e6b72c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:04.439049Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004379/publication.txtobserved b727de1aa752a50fc7e510f945cc4ab8...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. |
|---|