OT-2026-000004835
Publication integrity record
Vacuum cup gripper, common isolation valve, three stage ejector, pressure verified at each zone
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-2026-000004835) never changes.
Identity and time
| Publication number | OT-2026-000004835 · never reused |
|---|---|
| Internal UUID | 01a0a924-d6d6-7625-8ec3-27ba2e3987a2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:35:58.936851Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004835 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5386fbb0b91d43b41a13fe07695411a72ed93a49801e18a9de9d4cb7f9218f1a |
|---|---|
| Markdown | 64b3ce21799eba0664490403d496444dd8f87d128d11c1bc837e18c795416633 |
| Publication page | 5940f4fb738d3c6a026c231f6b27bf4b49e43606b37da636b408a3a7a5a2a8de |
| Manifest | 2a1f25fd90844aadd15e26565c4ad3d652a1513cdd34fe3ff2b5b76abb304b50 |
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 | EzkF4zPi11DoJYUB69qoT02VKRqrMkl7PeoGWe6xyndJIf3LMXYbe8d0xRxEdm+NyCw5SkwFyOVDpz9Vm4cfBQ== |
| 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
| 2026-09-16T07:40:13.917396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004835observed 5940f4fb738d3c6a026c231f6b27bf4b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:13.903744Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004835/manifest.jsonobserved 2a1f25fd90844aadd15e26565c4ad3d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:13.891323Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004835/publication.mdobserved 64b3ce21799eba0664490403d496444d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:13.878032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004835/publication.txtobserved 5386fbb0b91d43b41a13fe07695411a7...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. |
|---|