OT-2026-000043100
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, pulsed blow-off 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-2026-000043100) never changes.
Identity and time
| Publication number | OT-2026-000043100 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-327a-71b8-a2d7-df71e592026e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:24.717423Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043100 |
| Status | PUBLIC |
Content hashes
| Canonical text | a0fa24a65f8f98f9757e2ae75e7fcf8147735dab57081ad156c59f822c60b0fc |
|---|---|
| Markdown | d568c2dea0d85b237ea87df7c836a40ac2e9ef3a7220fe5b31719663c6eced84 |
| Publication page | 1637493f1c00f58548c2445f798d96ed6117fc355ba6a3c14eae1759ecae9cd2 |
| Manifest | 40a567de6fe076a868000bd321b5682d4b36dd0e111277d7462166bb5311edb3 |
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 | BS6fqAqa/xOqOprmStOMO4AejFn0uCSAsEhkA5JRDgxISwu9Mt6xz9S2OAPfXfZ+YlI8RWzs4CmwLe4FPITJAw== |
| 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
| 2026-09-17T11:13:31.363536Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043100observed 1637493f1c00f58548c2445f798d96ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:13:31.341445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043100/manifest.jsonobserved 40a567de6fe076a868000bd321b5682d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:31.321895Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043100/publication.mdobserved d568c2dea0d85b237ea87df7c836a40a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:31.303273Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043100/publication.txtobserved a0fa24a65f8f98f9757e2ae75e7fcf81...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. |
|---|