OT-2026-000004057
Publication integrity record
Porous face vacuum gripper, two zone face, four outlet manifold, pump fed
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-2026-000004057) never changes.
Identity and time
| Publication number | OT-2026-000004057 · never reused |
|---|---|
| Internal UUID | 01a0a90e-0284-7a38-a156-a0eda9ee74ba · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:11:02.791539Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004057 |
| Status | PUBLIC |
Content hashes
| Canonical text | 02e1c4fd3e5683a8f5b95c1aad5550f327e65435a60e6ad4a04093b28aa36cb2 |
|---|---|
| Markdown | dac3668bd9bde715b44917f5f47288019b2dd00f1275882a944d9aaf26648381 |
| Publication page | 5fc32a957d554b04dc34b0d5ca5d5a3d2f87d6ccb2988c48e8df4b22e17224b0 |
| Manifest | f6512a50340c6e6ac1b788e5a9a043ddef2b5462d5394b8204595c489081a7de |
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 | kZ35xAfiYWS5yBtAC5SKWh4AefSFplzCHpmqVNM8yGx8nPg55lnY5sV6Ti8QK9Fa6Swv0naX+7MMP4+yeNHGDQ== |
| 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
| 2026-09-16T07:40:33.186653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004057observed 5fc32a957d554b04dc34b0d5ca5d5a3d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:33.173046Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004057/manifest.jsonobserved f6512a50340c6e6ac1b788e5a9a043dd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:33.160771Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004057/publication.mdobserved dac3668bd9bde715b44917f5f4728801...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:33.148322Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004057/publication.txtobserved 02e1c4fd3e5683a8f5b95c1aad5550f3...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. |
|---|