OT-2026-000004378
Publication integrity record
Vacuum cup gripper, two zone face, common isolation valve, pump fed, vented before set down
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-2026-000004378) never changes.
Identity and time
| Publication number | OT-2026-000004378 · never reused |
|---|---|
| Internal UUID | 01a0a915-af32-7f32-8381-fd740f2a3c23 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:19:25.870703Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004378 |
| Status | PUBLIC |
Content hashes
| Canonical text | a8cb596597743dc1e2b4d5770e7922563ac31539c2fbd7f3bf7b1d33b9e49ee1 |
|---|---|
| Markdown | b91bef62ab1f7fcd61d5217e02074a9b0ec25097999f33b8e3a5f1dda96361a0 |
| Publication page | 181055cb3cfdc55af8bab5cc1416bba4ee8d6a23428fdb10f46439a86e536811 |
| Manifest | 8d5b1e7a925cec63cc69addea7b5994b6da631e8f3ff308fbc7de60c4ef541ce |
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 | WRqKVwhsCsYswg04hDoZgK9ex/ZiUPlGaGPZtB/DpqMipYBxVBsSHFSxAKGaZdGZO71QUaT2kgopl+YnBdByDg== |
| 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
| 2026-09-16T07:20:04.655198Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004378observed 181055cb3cfdc55af8bab5cc1416bba4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:04.641786Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004378/manifest.jsonobserved 8d5b1e7a925cec63cc69addea7b5994b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:04.628022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004378/publication.mdobserved b91bef62ab1f7fcd61d5217e02074a9b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:04.492564Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004378/publication.txtobserved a8cb596597743dc1e2b4d5770e792256...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. |
|---|