OT-2026-000078946
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, vented after 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-2026-000078946) never changes.
Identity and time
| Publication number | OT-2026-000078946 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbe-75d7-a10f-a70c8fa33876 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:28.017032Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078946 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4f3944c601c2df99c95f0057d1c05188f2178058a4a5912c1c760ba143927454 |
|---|---|
| Markdown | 4681a1ccddcdc2a078a3025c3d0ad3d0e683fcf62e6a97da75ae6128605124a5 |
| Publication page | c0170e6ec3ce49a133cc998905ea44bc13bb46d829e1accf6c3e0b75c0876435 |
| Manifest | 4fa2252096cbd4d8837d809da280a38424ef1b7c2c710a34af98e781f702bb68 |
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 | GYYOVKYkwSOkisxaL94ZBF5gmZ69kmnjso+vwJej0brUnQGofrKrTL+GbbM2SDSGc0wpUzJFP6lTsJ4qfiadDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:05:22.941437Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078946observed c0170e6ec3ce49a133cc998905ea44bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:05:22.922675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078946/manifest.jsonobserved 4fa2252096cbd4d8837d809da280a384...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:22.889412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078946/publication.mdobserved 4681a1ccddcdc2a078a3025c3d0ad3d0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:22.861392Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078946/publication.txtobserved 4f3944c601c2df99c95f0057d1c05188...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. |
|---|