OT-2026-000004038
Publication integrity record
Porous face vacuum gripper, common isolation valve, pump fed, pressure verified, contact triggered
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-2026-000004038) never changes.
Identity and time
| Publication number | OT-2026-000004038 · never reused |
|---|---|
| Internal UUID | 01a0a90d-0d67-747e-83ec-b6643a120cee · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:10:00.041762Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004038 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9a26593c29638d575c932605b66ed5fca3f8e0b1bc585f1148fd834d47f84d00 |
|---|---|
| Markdown | 70fd5f732ee61358232cbff6ad7bbea872b6811a5138946cd17652ee8b1962a7 |
| Publication page | 4e67c1f3d79b0ea826d2660dea76e4fee8740e2065bac672fc92b2cff0d8c72d |
| Manifest | e6af764f7097cd4d6757abb8a9cacfb02c792f3611c12da983c00f52ae3c9dc5 |
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 | CoqRwmd6u16XqrAhOvZr8f6FdHI9aGiBGrgsEzwkl49N1S6TrWlD1kW3PZ6NgwChdYPXIU00PeaihaJ5K2FSCA== |
| 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
| 2026-09-16T07:10:04.739245Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004038observed 4e67c1f3d79b0ea826d2660dea76e4fe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:04.724229Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004038/manifest.jsonobserved e6af764f7097cd4d6757abb8a9cacfb0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:04.707668Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004038/publication.mdobserved 70fd5f732ee61358232cbff6ad7bbea8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:04.693472Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004038/publication.txtobserved 9a26593c29638d575c932605b66ed5fc...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. |
|---|