OT-2026-000003541
Publication integrity record
Porous face vacuum gripper, common isolation valve, four outlet manifold, two stage ejector
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-2026-000003541) never changes.
Identity and time
| Publication number | OT-2026-000003541 · never reused |
|---|---|
| Internal UUID | 01a0a90a-52a9-7b88-95c0-3f9fe2908875 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:01.163572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003541 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4240464b3b828778f80487a73dbcfb841d4800b6555e0557679e489497f8d055 |
|---|---|
| Markdown | 3ca84239d0a8ffc23cf280925a3b40ba0005c69867372da3b6709816a19e16c5 |
| Publication page | 00ead1c5dafbccb94f90dfe239f36f8561a862ff3bcd12b656e8d5f2861818f9 |
| Manifest | 399782d51261544f6e9d3a0685225dabf6df6460277c7fa3484ae954513ae2b2 |
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 | ooLgVO/gx38il3MMsfqSyQY5FMNcJUx2YLhrvVfT/Ub54gdmPOhTLtPpPtb5wikE5QN6yMLizpJKElWDqq89DQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:07:02Z batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof root e9da7eb1c397f1749e5915c5a39dbbcf... |
|---|
Independent retrieval
| 2026-09-16T08:50:33.467813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003541observed 00ead1c5dafbccb94f90dfe239f36f85...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:50:33.452146Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003541/manifest.jsonobserved 399782d51261544f6e9d3a0685225dab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:33.435250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003541/publication.mdobserved 3ca84239d0a8ffc23cf280925a3b40ba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:33.419672Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003541/publication.txtobserved 4240464b3b828778f80487a73dbcfb84...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. |
|---|