OT-2026-000004423
Publication integrity record
Bellows cup vacuum gripper, three zone face, pump fed, 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-2026-000004423) never changes.
Identity and time
| Publication number | OT-2026-000004423 · never reused |
|---|---|
| Internal UUID | 01a0a917-3785-7dff-a9d3-75826e954790 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:21:06.183902Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004423 |
| Status | PUBLIC |
Content hashes
| Canonical text | a40f60b5986affe029cc1654b3356209c1624e72ce81ec488d76aabc7336905c |
|---|---|
| Markdown | 1bf279dc2091d188a322f7be9317b837bd11299f8f821073579089095f9e98a7 |
| Publication page | b1665ad2528534f2acf0ba717d581b423228acff42c1edbb7882aaeca8115aa1 |
| Manifest | c7015ffd632467e28664690843b499f9c104dc89c8d3abf533df43a2b2eaa400 |
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 | DbDWVfGbrnxsVCg7nMib+No3o/TUiUFpvdcktp5PUFbT3xgj6UvrIB/HpZ6hS0oSZVfYVvRTpyWQJ46mYDzHBQ== |
| 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
| 2026-09-16T07:30:29.223554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004423observed b1665ad2528534f2acf0ba717d581b42...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:29.210068Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004423/manifest.jsonobserved c7015ffd632467e28664690843b499f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:29.195097Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004423/publication.mdobserved 1bf279dc2091d188a322f7be9317b837...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:29.178537Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004423/publication.txtobserved a40f60b5986affe029cc1654b3356209...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. |
|---|