OT-2026-000072938
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented before set-down, on a tool changer
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-2026-000072938) never changes.
Identity and time
| Publication number | OT-2026-000072938 · never reused |
|---|---|
| Internal UUID | 01a0ae92-c815-70a7-b5f9-413b389067f5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:10.336919Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072938 |
| Status | PUBLIC |
Content hashes
| Canonical text | 08f3429133dce0e1c1fd210af3e601d651b650e2ba1d00c7292e817fffacd085 |
|---|---|
| Markdown | 91cb53eb1ed6299df2847b1984eb832bc7161b6c1470f12db57ab2a93e03a7f8 |
| Publication page | c0da416b0e4a7d9f756154f502d431976651dc98929cb97a13aae02c95fa1fec |
| Manifest | 4ffe0efd3fbea39dc1f57e37c7654827c6580e9e79068a0f2be62e1b05efd318 |
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 | dho6GyLh9oP0X/Qp7Xrm5KZb8LH/UaYo6pY7Ptiei0YD2KtqjIMUl3xK9s0HfDdHi4GwflY6aM1XW6czlNOWAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:21:51.382869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072938observed c0da416b0e4a7d9f756154f502d43197...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:21:51.364411Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072938/manifest.jsonobserved 4ffe0efd3fbea39dc1f57e37c7654827...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:51.346003Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072938/publication.mdobserved 91cb53eb1ed6299df2847b1984eb832b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:51.328023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072938/publication.txtobserved 08f3429133dce0e1c1fd210af3e601d6...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. |
|---|