OT-2026-000004936
Publication integrity record
Bellows cup vacuum gripper, six outlet manifold, two stage ejector, pressure verified, 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-2026-000004936) never changes.
Identity and time
| Publication number | OT-2026-000004936 · never reused |
|---|---|
| Internal UUID | 01a0a928-5d6c-77fc-b7c0-745ddb3d995f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:39:49.999521Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004936 |
| Status | PUBLIC |
Content hashes
| Canonical text | ee15ceb8d00f200253e80eb0507ad64791273ea7eb7c8294337e39b3bfd4e5ce |
|---|---|
| Markdown | 2ebe75f68676fd9fc405288ec0e0a3a1cdd3bfec35d77a7a0318bbe90da9f442 |
| Publication page | feb0ce19f7fe1abcda1fa301546c5a67a2d2635f70f7d47827264b4bf54fdf06 |
| Manifest | 76aa5948e1568dbfe4bc09030b3b5124e012922791f0178c66d16448d567d07e |
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 | 7tmq1Go3hsn3zhfZX8Jj9cNgHGNs9utMEAjrQnyknaO9vSFnHZ+F5byfU1vOC4f4RybgzUf/lpmcjHRbdBx0CQ== |
| 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
| 2026-10-23T12:41:34.333473Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004936observed feb0ce19f7fe1abcda1fa301546c5a67...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T12:41:34.267759Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004936/manifest.jsonobserved 76aa5948e1568dbfe4bc09030b3b5124...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T12:41:34.189946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004936/publication.mdobserved 2ebe75f68676fd9fc405288ec0e0a3a1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T12:41:33.965584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004936/publication.txtobserved ee15ceb8d00f200253e80eb0507ad647...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:54.055699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004936observed feb0ce19f7fe1abcda1fa301546c5a67...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:53.926156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004936/manifest.jsonobserved 76aa5948e1568dbfe4bc09030b3b5124...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:53.758475Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004936/publication.mdobserved 2ebe75f68676fd9fc405288ec0e0a3a1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:53.602413Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004936/publication.txtobserved ee15ceb8d00f200253e80eb0507ad647...fetched by grabo-systems from 34.44.131.203, 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 |
|---|