OT-2026-000053193
Publication integrity record
Four cup vacuum gripper, four 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-2026-000053193) never changes.
Identity and time
| Publication number | OT-2026-000053193 · never reused |
|---|---|
| Internal UUID | 01a0ae85-0a13-7804-affe-95b36b29838f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:09.762364Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053193 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1cb794a5542ddc1bc370eab10d83855fbcd115bb393ab3d69044d89eeb7e8f77 |
|---|---|
| Markdown | 47d87e536aed3ca32c6a66ed1662e6bb36bc4c0475f91f47ec33dc01e6eba759 |
| Publication page | 35b8e60fc5d5c00dcc01c8227864a1459fb3e267a6ca3d7c2a47d49d67f57e46 |
| Manifest | eae507c2f6fda6b1fe19c8448c210a3b273c02f5769c6e51693edc81fd21cfa9 |
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 | t9Dg64wwHHuCJGl7rdagid32k8CGKXG78JyQ9YtvG1aIhxmgvTXiSMKutEYILT4M192i78Aja77+OTZjwAbPBQ== |
| 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
| 2026-09-17T08:40:46.833526Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053193observed 35b8e60fc5d5c00dcc01c8227864a145...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:40:46.816529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053193/manifest.jsonobserved eae507c2f6fda6b1fe19c8448c210a3b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:40:46.798500Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053193/publication.mdobserved 47d87e536aed3ca32c6a66ed1662e6bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:40:46.746305Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053193/publication.txtobserved 1cb794a5542ddc1bc370eab10d83855f...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. |
|---|