OT-2026-000031184
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000031184) never changes.
Identity and time
| Publication number | OT-2026-000031184 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ab-7e10-9000-b33690144d85 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031184 |
| Status | PUBLIC |
Content hashes
| Canonical text | d9bcbcc450f2f5c6c3868091fac91ecfa3d7b17c12f8d94b3317547689e47330 |
|---|---|
| Markdown | 8adddbcf490b5faa444a4ea8bee06025cc47718313617072f8ebb35517fbd01d |
| Publication page | 20a470f0a0311448582246ded00d8f6e53f506d7b7b74692ee659565b91e5ca7 |
| Manifest | 950b549449f905f18315d5727c3c575177f1f3cb2ecfe8f76c9b68506dd8d9cc |
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 | UVXVGfObaUDsAbqiFIl5Wvo9V7Tds5CsPo/hbyErOomR7M9IBU1cFGEjeRXrS28+j7rputARVUbUPAR0RXBdAg== |
| 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
| 2026-11-04T08:41:40.592826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031184observed 20a470f0a0311448582246ded00d8f6e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-04T08:41:40.521102Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031184/manifest.jsonobserved 950b549449f905f18315d5727c3c5751...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T08:41:40.432641Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031184/publication.mdobserved 8adddbcf490b5faa444a4ea8bee06025...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T08:41:40.315325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031184/publication.txtobserved d9bcbcc450f2f5c6c3868091fac91ecf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T20:41:56.869581Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031184observed 20a470f0a0311448582246ded00d8f6e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T20:41:56.808878Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031184/manifest.jsonobserved 950b549449f905f18315d5727c3c5751...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T20:41:56.756953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031184/publication.mdobserved 8adddbcf490b5faa444a4ea8bee06025...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T20:41:56.675432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031184/publication.txtobserved d9bcbcc450f2f5c6c3868091fac91ecf...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 |
|---|