OT-2026-000005428
Publication integrity record
Vacuum cup gripper, per zone isolation, pump fed, pressure verified, vented before set down
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-2026-000005428) never changes.
Identity and time
| Publication number | OT-2026-000005428 · never reused |
|---|---|
| Internal UUID | 01a0a938-b3ab-76e5-8796-aa55329e5c6f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:57:40.653831Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005428 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2e5c52b540650ac87d3da07d19fb13f1d6309f08e066d9345dd1db2110329887 |
|---|---|
| Markdown | 51e5224c8e43368727b9f36233ef1005682da729b49be07dcdfde856a4312b7d |
| Publication page | c705d6a72c110512ed2ffc02fd41016a64450137b42e94f14866678ddafbbf05 |
| Manifest | d67b314286d2f05393397cea076eeadc912b4d92fab19f1decc014e305149205 |
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 | xyqhbQAktpZmJ+Rnl4ei+uxRTntMlwPU1DSvCy1mLxoWJ1BN0qXkySBmLryQuuev9t5WVZMPGzuoAEUYEKWDDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:00:10.676623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005428observed c705d6a72c110512ed2ffc02fd41016a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:10.662281Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005428/manifest.jsonobserved d67b314286d2f05393397cea076eeadc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:10.647967Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005428/publication.mdobserved 51e5224c8e43368727b9f36233ef1005...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:10.632568Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005428/publication.txtobserved 2e5c52b540650ac87d3da07d19fb13f1...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. |
|---|