OT-2026-000003981
Publication integrity record
Porous face vacuum gripper, two zone face, six outlet manifold, pump 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-2026-000003981) never changes.
Identity and time
| Publication number | OT-2026-000003981 · never reused |
|---|---|
| Internal UUID | 01a0a90c-6273-7c87-99ea-79121e226c27 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:16.277713Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003981 |
| Status | PUBLIC |
Content hashes
| Canonical text | d7a802230bb6825b4562fa02e63b62fb6ca34e1f936b0fdc20aad3f2f9285406 |
|---|---|
| Markdown | 1353084fc8aa384e493444e8eb340c41fa2ac99c325ad409b33d72a3ba1145e8 |
| Publication page | 85d29d6cf1f42ae2b33aa19149386c24b98f6cb274046b6c95592e638def6266 |
| Manifest | 817b749c2527a07765c5e56f3c108c29a1f11d1e3aa72d2278a4115be89a9de6 |
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 | Iyc7TzNcecJhnQjb0mzFYw9LFfotslyuXnJRCFYI9IZFBxXNQxJcF7PcE2x32KXmzLxGsgeHQjqZWUuQXxDQDA== |
| 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
| 2026-09-16T07:10:08.416170Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003981observed 85d29d6cf1f42ae2b33aa19149386c24...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:08.401196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003981/manifest.jsonobserved 817b749c2527a07765c5e56f3c108c29...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:08.387945Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003981/publication.mdobserved 1353084fc8aa384e493444e8eb340c41...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:08.375035Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003981/publication.txtobserved d7a802230bb6825b4562fa02e63b62fb...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. |
|---|