OT-2026-000052520
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000052520) never changes.
Identity and time
| Publication number | OT-2026-000052520 · never reused |
|---|---|
| Internal UUID | 01a0ae84-573a-791e-8b5e-313ca74c90c3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052520 |
| Status | PUBLIC |
Content hashes
| Canonical text | 436eea92d12acced255d7584a9c3a464ec0692d9ab738fa2e1c034c20e4edbdb |
|---|---|
| Markdown | 4e1192605b6368698b3b7a9a2543e398eddf47f29306bec54a2cd6cdca252ba5 |
| Publication page | 6214db87c0cacc0e76d64addafb00032a4f774a502ccd079856907f754fc64c4 |
| Manifest | 87c09df9e98a4740c8a5ccc1347365a60e3e7834e77e9483b318a70e15d4a501 |
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 | 8Ik7dG+TkeD4o2U0AJ08+DT1dBhna4rkJZyWkwrEVGTVlIiGSkUCuihK+0mdVmojd1j6NDHHNJf017ws0vFSAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:57:09.841436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052520observed 6214db87c0cacc0e76d64addafb00032...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:09.823959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052520/manifest.jsonobserved 87c09df9e98a4740c8a5ccc1347365a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:09.806313Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052520/publication.mdobserved 4e1192605b6368698b3b7a9a2543e398...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:09.786742Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052520/publication.txtobserved 436eea92d12acced255d7584a9c3a464...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. |
|---|