OT-2026-000028893
Publication integrity record
Single cup vacuum gripper, 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-2026-000028893) never changes.
Identity and time
| Publication number | OT-2026-000028893 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-76c2-bc00-2ffa625f25e9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028893 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3f633ae5d93289e62ce2aa521fd50e7e814e4c6188f95394c7f6bd1a464b6ca4 |
|---|---|
| Markdown | 73fad717541c5b4c7f7839a97121fec37795977bcde740b1bfe44dfa0efe1bf4 |
| Publication page | a60ad701b43427f16749e049d4e8030a6e33093581542f053dda5fe2c88daa37 |
| Manifest | 05261c0138936f27e30a7b8e244e32d0316d4cc4ccf10f5f5b4d84a5254c864e |
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 | CHPvWisIEbtoZsPTgpRIKKq5Livnb9ll115qXflY2dtFOQmbgVUIPjvvKhEfVShi5ehu65eIao49HdvvqmQ1Ag== |
| 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
| 2026-09-17T08:20:16.023047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028893observed a60ad701b43427f16749e049d4e8030a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:16.004974Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028893/manifest.jsonobserved 05261c0138936f27e30a7b8e244e32d0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:15.988293Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028893/publication.mdobserved 73fad717541c5b4c7f7839a97121fec3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:15.970389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028893/publication.txtobserved 3f633ae5d93289e62ce2aa521fd50e7e...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. |
|---|