OT-2026-000004023
Publication integrity record
Bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector
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-2026-000004023) never changes.
Identity and time
| Publication number | OT-2026-000004023 · never reused |
|---|---|
| Internal UUID | 01a0a90c-dde8-71f9-881f-6be55c433497 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:47.883167Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004023 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1f398dc334534326bdfb403f50e3fe8c1a45f8a15f855ac6b167d951ace29f93 |
|---|---|
| Markdown | 16744e4abd05b893cf332b152c57d1b50bff419a61be439eb1f5ed16934dc7ec |
| Publication page | 9f0c22c1080b02c81b3ddde47bd1d92782712c0776d0db8dc477e6c6b1c684c3 |
| Manifest | 820cdd6052bf011a2d500a1459b8ff8ede3422cb7f0e20ef286b89b67320e8e9 |
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 | 8joTJUN3E8hB0eXTvCL12pB5VRm11sjHkX9s3vX4qnVFIZ2SWaJVARtga1w9gCbqsoUGebP5b99+7uZTZv/6Cw== |
| 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
| 2026-09-16T07:10:05.648019Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004023observed 9f0c22c1080b02c81b3ddde47bd1d927...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:05.627517Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004023/manifest.jsonobserved 820cdd6052bf011a2d500a1459b8ff8e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:05.609020Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004023/publication.mdobserved 16744e4abd05b893cf332b152c57d1b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:05.587708Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004023/publication.txtobserved 1f398dc334534326bdfb403f50e3fe8c...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. |
|---|