OT-2026-000072050
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000072050) never changes.
Identity and time
| Publication number | OT-2026-000072050 · never reused |
|---|---|
| Internal UUID | 01a0ae92-47c1-7798-b910-b73f3b649fe5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:37.365346Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072050 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8c4e9e42236eccb8e9dee819de8a6f59027682f04704d1fe442e0efda41a5a35 |
|---|---|
| Markdown | 3b1992ebb19703eb98ab4d3d7fb6d6b5a8137d083ba8102c0b35c2e2ab10f948 |
| Publication page | 0171ed548f0d5fb119f292bd63fe9f61185c22b65103062ff4f9472e39600a82 |
| Manifest | c44a4447115adeb844ad561e512f93155928e85fdeae0edc96caf87d357aeaf4 |
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 | MojWigCtuRgGtzAHhDjTOIAaxu6+G0YOW4+a/OR6+QzcHNJtlUwhnVlIE/XaNbOzKerLFtCSZxrny6H348EnDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:23:07.144638Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072050observed 0171ed548f0d5fb119f292bd63fe9f61...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:23:07.127932Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072050/manifest.jsonobserved c44a4447115adeb844ad561e512f9315...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:07.111320Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072050/publication.mdobserved 3b1992ebb19703eb98ab4d3d7fb6d6b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:07.092835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072050/publication.txtobserved 8c4e9e42236eccb8e9dee819de8a6f59...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. |
|---|