OT-2026-000003497
Publication integrity record
Vacuum gripper with contact triggered evacuation of the gripping face
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-2026-000003497) never changes.
Identity and time
| Publication number | OT-2026-000003497 · never reused |
|---|---|
| Internal UUID | 01a0a906-4b76-7045-b7dd-64deeef657c6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:02:37.177223Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003497 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1554addac03224582fc07490903e6d02027c69e9fda4dd6d274b1997ade33a51 |
|---|---|
| Markdown | 390b10f36f6da00b34ddbdbe7fffb04614160ed9aa225d24d1462e5f7d135209 |
| Publication page | 7d219d473c73f4a15185b5faf736100e3a9a2e7f77efc9c142ce3814d9482826 |
| Manifest | 5f9987384988e7848473089b0e680637b4bcb1d01ec7569cab847ffb79ee595f |
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 | Xs4vl/JXf3RcKiO91J6+CJlzNLEMS/Z66uxEeA1ESUy2ipJBtuPWx+iHqxU0PvKqiJRB+8XUfBFim2WKkIR+AA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:07:02Z batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof root e9da7eb1c397f1749e5915c5a39dbbcf... |
|---|
Independent retrieval
| 2026-09-16T09:00:35.493455Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003497observed 7d219d473c73f4a15185b5faf736100e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:00:35.477984Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003497/manifest.jsonobserved 5f9987384988e7848473089b0e680637...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:35.462895Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003497/publication.mdobserved 390b10f36f6da00b34ddbdbe7fffb046...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:35.387143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003497/publication.txtobserved 1554addac03224582fc07490903e6d02...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. |
|---|