OT-2026-000007258
Publication integrity record
Vacuum cup gripper, pump fed, pressure verified, pulsed blow off after set down, silicone cups
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-2026-000007258) never changes.
Identity and time
| Publication number | OT-2026-000007258 · never reused |
|---|---|
| Internal UUID | 01a0a978-5d9b-7805-a77c-e7272215206f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:07:12.926470Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007258 |
| Status | PUBLIC |
Content hashes
| Canonical text | bf0516f78eca92fd9b8cfe5c5fe7c7805e5f605d58a9c391679c338ec2e6bbdf |
|---|---|
| Markdown | 8527cb1532e0a156d1e02359560e99c7bf5256eb1e189941d06b60c1911b98a0 |
| Publication page | 485bb712d823083793728f3e4da567b0c3ef3ce2b9257dbb0fe7aa9549c2ffb8 |
| Manifest | c1890a1ce6cf52d01fae3a63b9cb526cda50c9351acd564d0aaeab35dbf0c42a |
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 | ac+d9CzzWwTtfwxRzdHeZIFx0AW0Re59CIgtwkcWwtgxIY0QDYHHaPaBj7zlxbSXwz1IIUYzkcPOCYn7Km5xCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:20:33Z batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof root 07bfbe2fb3517c1c41f239fb2e682fbe... |
|---|
Independent retrieval
| 2026-09-16T09:10:10.709023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007258observed 485bb712d823083793728f3e4da567b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:10:10.696041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007258/manifest.jsonobserved c1890a1ce6cf52d01fae3a63b9cb526c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:10.683769Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007258/publication.mdobserved 8527cb1532e0a156d1e02359560e99c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:10.671110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007258/publication.txtobserved bf0516f78eca92fd9b8cfe5c5fe7c780...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. |
|---|