OT-2026-000004845
Publication integrity record
Porous face vacuum gripper, two zone face, per zone isolation, pump fed, contact triggered
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-2026-000004845) never changes.
Identity and time
| Publication number | OT-2026-000004845 · never reused |
|---|---|
| Internal UUID | 01a0a925-2708-7f22-a123-015ce408a342 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:36:19.467159Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004845 |
| Status | PUBLIC |
Content hashes
| Canonical text | e90a89d40648d42da949ff85871fe22cbe3913831015eaa69698c76691afeace |
|---|---|
| Markdown | 2c4efbc2df99d6114440da2aeefde4db30bbe0c9faf44357eb42a36acb6de0c8 |
| Publication page | ea780598c1843d1728376b98e33f4f961d13187a2c50a84242efef2684feb163 |
| Manifest | a11fa40b07264d06e3d98ad59df52bc5daf00ac1bb1dafc8f60a41ed58300db3 |
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 | 2iskwJbh7fW1UtX2Hc9TW3dIDFiZJ87nt7PG+qMEZUo16b28PxWDMZn9IPy5/3qKqhBI0rlULv7Bv/DDvQ6uBg== |
| 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
| 2026-09-16T07:40:12.878059Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004845observed ea780598c1843d1728376b98e33f4f96...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:12.740580Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004845/manifest.jsonobserved a11fa40b07264d06e3d98ad59df52bc5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:12.729147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004845/publication.mdobserved 2c4efbc2df99d6114440da2aeefde4db...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:12.717612Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004845/publication.txtobserved e90a89d40648d42da949ff85871fe22c...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. |
|---|