OT-2026-000004819
Publication integrity record
Porous face vacuum gripper, three zone face, four 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-2026-000004819) never changes.
Identity and time
| Publication number | OT-2026-000004819 · never reused |
|---|---|
| Internal UUID | 01a0a924-560d-7c92-965c-9f860d41990f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:35:25.967815Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004819 |
| Status | PUBLIC |
Content hashes
| Canonical text | c4638e3bd00fd07ce13f1cdb93028ee2fd3de84a593cf9ae7d7916d5b8d38aca |
|---|---|
| Markdown | 45556dbd73daf116c896165754ad89198fb66d84dd2b5af7ed83a9297e7a7e1f |
| Publication page | d8be54dd74eb4336dffe753ba4642c01330a5e7cccf6688ec2814b2112441cca |
| Manifest | a2aa38820bb562dbccd01f11dc19717e06b49860189e728cf2474fcce8b0c040 |
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 | rMWoXCjQfgy6AmYiOxf9yfc9FvzEZoQgGf8bWqSSkuv3rTcqswog6/njO3qG/xOX5jLbmfi8cpA0lRwtbG5DDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:15.666174Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004819observed d8be54dd74eb4336dffe753ba4642c01...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:15.652594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004819/manifest.jsonobserved a2aa38820bb562dbccd01f11dc19717e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:15.637488Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004819/publication.mdobserved 45556dbd73daf116c896165754ad8919...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:15.623307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004819/publication.txtobserved c4638e3bd00fd07ce13f1cdb93028ee2...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. |
|---|