OT-2026-000003617
Publication integrity record
Bellows cup vacuum gripper, pump fed, pressure verified, contact triggered on the 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-2026-000003617) never changes.
Identity and time
| Publication number | OT-2026-000003617 · never reused |
|---|---|
| Internal UUID | 01a0a90a-8be8-72f5-a2a5-ce81c05f7128 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:15.820185Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003617 |
| Status | PUBLIC |
Content hashes
| Canonical text | 27e5c1903dc94742b95ec8644eb1563a14e05911bfe1d94cec6a92bff3a4a376 |
|---|---|
| Markdown | 79ccf7eb133635ba6481ea366cf1e1f9020a7983b6d95f95e34be98f03c0892e |
| Publication page | 25f7efab074e3b2ff2ff15537569f134ad9560d4ee4d974541d34f557dfb20d6 |
| Manifest | 3781f42320ae28368124cd979acc9849379b0af306b3f324d28fa558681b0249 |
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 | OQmd9fbmfpSFvsNLdOK38OFKU8dColW9Z+tHUF1Uht6nvmySrNjZay0BdnzyC8QTkLVspvHe4kWpE6R0s4vPBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T08:30:37.706603Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003617observed 25f7efab074e3b2ff2ff15537569f134...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:30:37.693152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003617/manifest.jsonobserved 3781f42320ae28368124cd979acc9849...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:30:37.674873Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003617/publication.mdobserved 79ccf7eb133635ba6481ea366cf1e1f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:30:37.660249Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003617/publication.txtobserved 27e5c1903dc94742b95ec8644eb1563a...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. |
|---|