OT-2026-000004151
Publication integrity record
Vacuum cup gripper, four outlet manifold, three stage ejector, pressure verified at each zone
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-2026-000004151) never changes.
Identity and time
| Publication number | OT-2026-000004151 · never reused |
|---|---|
| Internal UUID | 01a0a90f-955b-78fb-90af-9bad5ee8decf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:45.917910Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004151 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1a74d760ae2a8a905dd52834d7339f4e3f4ab134d64f269300078a3ccc491e15 |
|---|---|
| Markdown | f808723b573511e57dc470eb4ede5947363dab1c7f62826817ed11f047cdacb5 |
| Publication page | b8ca8428784461250fa09ca724bccb77928f15acf3aa4f0172e96c8e1c4c2d17 |
| Manifest | 795531b52e47595e304240739a949474d46e7e0679985f742e7101e0fafbe8a8 |
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 | OJ/Uqr5f9sZ3tY/95MbavV1DmT+K06Se3UkhYUirNHAca8hASZnAGgiU2/hG3cAUr5h/mAaib1zEBQpXJF5rDQ== |
| 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
| 2026-09-16T07:20:30.669854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004151observed b8ca8428784461250fa09ca724bccb77...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:30.653358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004151/manifest.jsonobserved 795531b52e47595e304240739a949474...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:30.637717Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004151/publication.mdobserved f808723b573511e57dc470eb4ede5947...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:30.622650Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004151/publication.txtobserved 1a74d760ae2a8a905dd52834d7339f4e...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. |
|---|