OT-2026-000054227
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000054227) never changes.
Identity and time
| Publication number | OT-2026-000054227 · never reused |
|---|---|
| Internal UUID | 01a0ae85-b3a9-746a-bfa3-8d61e75126eb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:53.019909Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054227 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8fe9462c8c2a2a8f8274f80b7b0874f398abb022ee03994ad4bb26b01219374a |
|---|---|
| Markdown | 4ab85832b27819fdf8427f4a462699f98e4e566305ab4672a912a6c1d8cfcd55 |
| Publication page | f1797f74b2c05473ac75a7ca7accb6e38eb97f95d5b5287318ae5c12336bccda |
| Manifest | a4b8725a43c1059144d336feda75f85725bea1951d1c363f3a8842c75abdeffd |
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 | RRuHq24q1AEsSK4uTnSciStSINGKmWwLX/Y4ueJsp+JRuu9WM045MahdtulGQCwaPsEq2ECAyL/mxRLWnHHoBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T08:44:43.243650Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054227observed f1797f74b2c05473ac75a7ca7accb6e3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:44:42.986453Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054227/manifest.jsonobserved a4b8725a43c1059144d336feda75f857...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:44:42.803271Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054227/publication.mdobserved 4ab85832b27819fdf8427f4a462699f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:44:42.504609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054227/publication.txtobserved 8fe9462c8c2a2a8f8274f80b7b0874f3...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
| Custody package | Pending Custody packages are produced weekly. |
|---|