OT-2026-000031825
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after set-down
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-2026-000031825) never changes.
Identity and time
| Publication number | OT-2026-000031825 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad1-741e-94b9-d8e1cf776c1a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031825 |
| Status | PUBLIC |
Content hashes
| Canonical text | 43e4f4d88f22ce288d48acff8d15850dc16e50ba610df54d4d412450e6df9aca |
|---|---|
| Markdown | b92a99e6273d9f34e51bbd48386b5b730dd35aa5d8084d8bbee55886d93f3641 |
| Publication page | 89a802dd9fe5fdd1a0697a687782e354e8629517a9c97560008acc7ea760ada7 |
| Manifest | 1828d369958dd1435ca948ce1e24354f67c7e028ceb374371d3a493a5e156fe1 |
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 | 0y+ewOFFTqJntFMZcTHdIn4ihlie/qVn3ZVu49nLcVaqKzCEqdF1+xAAmU6kY7JlCYiV1UmUFcltxaaJKOzFDw== |
| 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
| 2026-10-16T20:41:51.113723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031825observed 89a802dd9fe5fdd1a0697a687782e354...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-16T20:41:51.063709Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031825/manifest.jsonobserved 1828d369958dd1435ca948ce1e24354f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T20:41:51.008784Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031825/publication.mdobserved b92a99e6273d9f34e51bbd48386b5b73...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T20:41:50.927173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031825/publication.txtobserved 43e4f4d88f22ce288d48acff8d15850d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T08:41:43.157567Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031825observed 89a802dd9fe5fdd1a0697a687782e354...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T08:41:43.087193Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031825/manifest.jsonobserved 1828d369958dd1435ca948ce1e24354f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T08:41:42.997839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031825/publication.mdobserved b92a99e6273d9f34e51bbd48386b5b73...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T08:41:42.882231Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031825/publication.txtobserved 43e4f4d88f22ce288d48acff8d15850d...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 |
|---|