OT-2026-000004001
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, ejector fed, pulsed blow off after 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-2026-000004001) never changes.
Identity and time
| Publication number | OT-2026-000004001 · never reused |
|---|---|
| Internal UUID | 01a0a90c-9bdf-7aa0-8a47-c2ff17ac352b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:30.978749Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004001 |
| Status | PUBLIC |
Content hashes
| Canonical text | d476e8ae0b83f60b83acc65706db962f4115014754c340de6ac3f0774a0bd726 |
|---|---|
| Markdown | aebc3d337724623610044f92d68eee42ea1f8f54eb6a0a6739f9ea4762d322d8 |
| Publication page | 92ed333aaf3f1f75ee41bec001fe99a5a9e1ace2a9eb0c16cde294d01c8459b7 |
| Manifest | 4ab00b86792070ab4f668769fa326f3f925bf06631d99760c2a4ccb931835a0a |
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 | cEqwKLnQMZzR0JlclTy6YtaHOAq+I8KmHYFj6j8ULCazMjZVopGjO22E+0Qg5ldV0tV5lMPsIYRy/GqVsJHFDg== |
| 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
| 2026-09-16T07:10:07.104918Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004001observed 92ed333aaf3f1f75ee41bec001fe99a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:07.088664Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004001/manifest.jsonobserved 4ab00b86792070ab4f668769fa326f3f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:07.072916Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004001/publication.mdobserved aebc3d337724623610044f92d68eee42...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:07.057791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004001/publication.txtobserved d476e8ae0b83f60b83acc65706db962f...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. |
|---|