OT-2026-000021378
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000021378) never changes.
Identity and time
| Publication number | OT-2026-000021378 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-79d7-95a3-b82194f4d5a2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021378 |
| Status | PUBLIC |
Content hashes
| Canonical text | 35682bafda978ff962098cdd618e321bd3ca992b8c9c69c6a88d42cb090f4319 |
|---|---|
| Markdown | 8ee70393afcb6587a8e9c3d1148fc988ec020e4451a2b50b2bf1eb8a9c982dcc |
| Publication page | 9ac920e0c1e0bb4fc3841f68ff0fcf770858cf0f7ca421ffc7e4104b04ee1d5f |
| Manifest | 2aca10d5111ad1f6af3107865b3469120f0a42347fb61c0dfe533f4df554e8d1 |
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 | ktlUvtBVoD591wtttbuDpg5+FbRgc7JoMtgJQaf2b9Vm+Ndny0d/VKpt+znxZiejeg4QMBF5pJbXtOXhgD0GDg== |
| 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
| 2026-09-17T11:55:15.180893Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021378observed 9ac920e0c1e0bb4fc3841f68ff0fcf77...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:15.162860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021378/manifest.jsonobserved 2aca10d5111ad1f6af3107865b346912...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:15.144584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021378/publication.mdobserved 8ee70393afcb6587a8e9c3d1148fc988...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:15.126736Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021378/publication.txtobserved 35682bafda978ff962098cdd618e321b...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
| 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 |
|---|