OT-2026-000004451
Publication integrity record
Porous face vacuum gripper, common isolation valve, three outlet manifold, ejector fed, pressure verified
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-2026-000004451) never changes.
Identity and time
| Publication number | OT-2026-000004451 · never reused |
|---|---|
| Internal UUID | 01a0a918-2fba-7ecd-b0f3-3fc1332060d7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:22:09.726011Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004451 |
| Status | PUBLIC |
Content hashes
| Canonical text | e4ee4110ff39df62114fc8b9c6a5fd2599fe68655b405f0dfb494702021ff861 |
|---|---|
| Markdown | 2bab5524213e83a6804e9e897d1d2bf6b62ca4d8285521513296b23ac5f79db4 |
| Publication page | fea1e3f135804289ad8e950556425c442275babd1867e3cdbac92f13ff763cc9 |
| Manifest | 96a215449cc5adf88f503f2c486beacf12ae1556d18409073416743ff63220ee |
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 | He4uMjr51hNRgqR5cdDBc3H0jMHqnzHYYwsOFjDMMs2h5JctRphFMBXLS/k05dpo8+TCVV261/24DCFpyVTJAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:30:26.147197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004451observed fea1e3f135804289ad8e950556425c44...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:26.134983Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004451/manifest.jsonobserved 96a215449cc5adf88f503f2c486beacf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:26.120824Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004451/publication.mdobserved 2bab5524213e83a6804e9e897d1d2bf6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:25.982260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004451/publication.txtobserved e4ee4110ff39df62114fc8b9c6a5fd25...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. |
|---|