OT-2026-000004409
Publication integrity record
Porous face vacuum gripper, three zone face, four outlet manifold, plant vacuum 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-2026-000004409) never changes.
Identity and time
| Publication number | OT-2026-000004409 · never reused |
|---|---|
| Internal UUID | 01a0a916-bb9c-7f45-bbd7-75e27726a61a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:20:34.463504Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004409 |
| Status | PUBLIC |
Content hashes
| Canonical text | c8498f851e3957eca9ac77433dc93433fb5086855db291b35ab5b6de5fe4e1e2 |
|---|---|
| Markdown | 0974318e97d1e739942d55744e5a01275400d1a46ccaa03d314963d2be0506df |
| Publication page | bf8f6eb1f5bdb8f69847b05d6edce3543a04c302bfb904f872227bdc1baf6d24 |
| Manifest | c42ddc69b68b374bd8d355b3b0865c5b5a909d1034e2fe16d56be5ad57d9ce0f |
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 | 9Y7iWtUNVCwN2D81ln66CjfPd11h+fiF0mh+rgRWVTxfd5Da9K5c558tlrSMxscKl6jtw1G3yH8MKNI67iHtCQ== |
| 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
| 2026-09-16T07:30:30.719375Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004409observed bf8f6eb1f5bdb8f69847b05d6edce354...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:30.707424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004409/manifest.jsonobserved c42ddc69b68b374bd8d355b3b0865c5b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:30.695995Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004409/publication.mdobserved 0974318e97d1e739942d55744e5a0127...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:30.685033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004409/publication.txtobserved c8498f851e3957eca9ac77433dc93433...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. |
|---|