OT-2026-000028114
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer
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-2026-000028114) never changes.
Identity and time
| Publication number | OT-2026-000028114 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-798c-8702-9f40f95ce5b6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028114 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6c400adeef7d59a5cf8f9ad933db55ad1a1f6256ab1caed91427c4916db4d35c |
|---|---|
| Markdown | 7656db6c6d353d16c0aa8718b891dd1c36bf8f71ba797222249e1b1cc7fc754e |
| Publication page | 3f4bbdbbba106733e899f1e6cf59f56bc186c69348906ef7c147891ed7b04786 |
| Manifest | 168608ec77a8e915914d0e6f89ba15e0f784d0e84190b0f2667fce55ee4e5e47 |
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 | T2iXh6ifpcXBgeI9Yzbq2GwJgu7twAidjWHV2A0VS1MqS7xpB0FYBR1ufIu+4RfqzVDkGEr5ZbtnePE/TjwsDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-12T04:23:28.543056Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028114observed 3f4bbdbbba106733e899f1e6cf59f56b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-12T04:23:28.526618Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028114/manifest.jsonobserved 168608ec77a8e915914d0e6f89ba15e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:23:28.503034Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028114/publication.mdobserved 7656db6c6d353d16c0aa8718b891dd1c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:23:28.413679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028114/publication.txtobserved 6c400adeef7d59a5cf8f9ad933db55ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:42:08.765288Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028114observed 3f4bbdbbba106733e899f1e6cf59f56b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:42:08.687989Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028114/manifest.jsonobserved 168608ec77a8e915914d0e6f89ba15e0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:42:08.598908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028114/publication.mdobserved 7656db6c6d353d16c0aa8718b891dd1c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:42:08.432594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028114/publication.txtobserved 6c400adeef7d59a5cf8f9ad933db55ad...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 |
|---|