OT-2026-000004834
Publication integrity record
Porous face vacuum gripper, per zone isolation, three outlet manifold, two stage ejector, 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-2026-000004834) never changes.
Identity and time
| Publication number | OT-2026-000004834 · never reused |
|---|---|
| Internal UUID | 01a0a924-cef3-7013-ad14-77228e9af4d4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:35:56.918098Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004834 |
| Status | PUBLIC |
Content hashes
| Canonical text | e2a7ca01d3a410dcc3644c552da8461cf798b70af3357c49f6832b2b5d9bf738 |
|---|---|
| Markdown | 94de745ec4514113573d82379c26661edcff596e5c6039bb40cfe901514c73c7 |
| Publication page | 75833c0e6ac1b551c1c1acc1ff9c4bd67e0b0d1d2f526425d14d7b0ce65ef803 |
| Manifest | 0a6405f713806630ff1b7cc52b8b63576943d6192249efd3fd6fdaccbdeae8c5 |
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 | UedkNDx07kI/P+n4e4KbLHowd8IQH1sw+XpyZtXFEjfaCkpvISwV052/hMG1DqrH7ZddDsY+5j4VQV88kXmxBw== |
| 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
| 2026-10-18T12:41:18.627626Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004834observed 75833c0e6ac1b551c1c1acc1ff9c4bd6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-18T12:41:18.561852Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004834/manifest.jsonobserved 0a6405f713806630ff1b7cc52b8b6357...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T12:41:18.500107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004834/publication.mdobserved 94de745ec4514113573d82379c26661e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T12:41:18.342507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004834/publication.txtobserved e2a7ca01d3a410dcc3644c552da8461c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T04:23:05.134821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004834observed 75833c0e6ac1b551c1c1acc1ff9c4bd6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-11T04:23:05.104251Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004834/manifest.jsonobserved 0a6405f713806630ff1b7cc52b8b6357...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-11T04:23:05.089583Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004834/publication.mdobserved 94de745ec4514113573d82379c26661e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-11T04:23:05.027979Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004834/publication.txtobserved e2a7ca01d3a410dcc3644c552da8461c...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|