OT-2026-000028022
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer
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-2026-000028022) never changes.
Identity and time
| Publication number | OT-2026-000028022 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-7a89-ba07-5c05bc67366b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028022 |
| Status | PUBLIC |
Content hashes
| Canonical text | b94429c56d3e04e2159678bd0537802f5b88d0812a09bb47c095a38b9cd9d56c |
|---|---|
| Markdown | 42a0351dafb49fc6712bdf9e81b0dba91313bd32deb147d39432aebd9a1b2af3 |
| Publication page | b1e4082040e0d1bd61c8de5394d5240dc1c81be126f32626d8a63f5b951d06a4 |
| Manifest | 024da493cc72599572852ac0628dea0be5509fb4815facac7162bfa53b702b86 |
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 | +yZJ/qgVhnTgZvmpl1jflC9GXJ7iSoSrE2KJtWfw8iNkwmmOHhLT0kCE4JCF8KC7d8iPDhl91vD5aqmLCeRIBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:42:20.530995Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028022observed b1e4082040e0d1bd61c8de5394d5240d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:20.509432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028022/manifest.jsonobserved 024da493cc72599572852ac0628dea0b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:20.490065Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028022/publication.mdobserved 42a0351dafb49fc6712bdf9e81b0dba9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:20.468156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028022/publication.txtobserved b94429c56d3e04e2159678bd0537802f...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. |
|---|