OT-2026-000053931
Publication integrity record
Two cup vacuum gripper, two zone face, per zone isolation, three 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-2026-000053931) never changes.
Identity and time
| Publication number | OT-2026-000053931 · never reused |
|---|---|
| Internal UUID | 01a0ae85-b3a6-7485-a59e-213f5bab70bb · 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-2026-000053931 |
| Status | PUBLIC |
Content hashes
| Canonical text | a2b9f3c7f53568768c8a3bc4b8d0bfbcd2719fde71fdc85dfa0ecab06615898d |
|---|---|
| Markdown | dc023d344daecee49fb8179e52510fa93c4e5c8b5fea97482c9187c234a00178 |
| Publication page | 57f4ea82378e26c3448c42a9a2ff706f2c6238986e10b1fae132601a978416cd |
| Manifest | 3ba06e1f5731bae456f5721dccc6ec48054a46596ef7839d70293730c00fae1a |
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 | T7L3uovOM4X6g0PDb/tXIODQ3mApdrqXNfLosyXwqkLoGCKDL///YxTh6cyUtciTQ1fxo9VSNlSWD77v2hyGCQ== |
| 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
| 2026-09-17T10:54:10.475326Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053931observed 57f4ea82378e26c3448c42a9a2ff706f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:54:10.455224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053931/manifest.jsonobserved 3ba06e1f5731bae456f5721dccc6ec48...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:10.435901Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053931/publication.mdobserved dc023d344daecee49fb8179e52510fa9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:10.415888Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053931/publication.txtobserved a2b9f3c7f53568768c8a3bc4b8d0bfbc...fetched by instance-3.rotem.ai from 34.69.0.72, 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. |
|---|