OT-2026-000037319
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000037319) never changes.
Identity and time
| Publication number | OT-2026-000037319 · never reused |
|---|---|
| Internal UUID | 01a0ae77-b8cd-70f7-8b49-f6c9606405af · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:24:36.831192Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000037319 |
| Status | PUBLIC |
Content hashes
| Canonical text | 873ba2c4bf6a4e03da5cbbdceb4386245aef4c0296a1f4df3f2b9df3893b3f31 |
|---|---|
| Markdown | 84e671dda8fc8a4b922e6cb82636a26745830083719c5e7f52667994cf1cdbe6 |
| Publication page | 9d57bfb049f8f2b242d8987c821ae0a4533bdccd067f1e58850fb086d587d830 |
| Manifest | b2b5552440015d4bfa576ebf3e770f7ae63ef947a4e885d55eb679e738ab5b95 |
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 | Ytppd65dd6TsoBB3d3EB7ElG5YdDejM6et5S4D4XM3ejx0V8dJroqJ08y0WA0UZaXCgdquHv7FRUyK54lJm1Aw== |
| 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
| 2026-10-26T04:23:11.779598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037319observed 9d57bfb049f8f2b242d8987c821ae0a4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T04:23:11.765419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037319/manifest.jsonobserved b2b5552440015d4bfa576ebf3e770f7a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-26T04:23:11.726364Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037319/publication.mdobserved 84e671dda8fc8a4b922e6cb82636a267...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-26T04:23:11.686090Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037319/publication.txtobserved 873ba2c4bf6a4e03da5cbbdceb438624...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-26T00:42:08.239390Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037319observed 9d57bfb049f8f2b242d8987c821ae0a4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T00:42:08.130248Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037319/manifest.jsonobserved b2b5552440015d4bfa576ebf3e770f7a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T00:42:08.051470Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037319/publication.mdobserved 84e671dda8fc8a4b922e6cb82636a267...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T00:42:07.945534Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037319/publication.txtobserved 873ba2c4bf6a4e03da5cbbdceb438624...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 |
|---|