OT-2026-000020457
Publication integrity record
Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000020457) never changes.
Identity and time
| Publication number | OT-2026-000020457 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7470-8fcd-a290ee504958 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020457 |
| Status | PUBLIC |
Content hashes
| Canonical text | a83d4a30cd769aa0138bc9dd8b3837335e72fda371e631dbd838ce6ab7ef3b0f |
|---|---|
| Markdown | a47c647e9ac3a635764c8a4803a3785d31e6e4c56f80b6ac75fda41430304855 |
| Publication page | 4eecffdd1dba6788333faf4c2d2b5738026122fc276d55a564ee7ffc507bacca |
| Manifest | 07365a83fb30dcedac92eb177f58d0d5ce0873bfaa0e74da288d7f9a63ea2a99 |
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 | nbWZprrMrWwyZ2o1VEIatrEpa+yMjxZg05u+uJIa/4CLwGN9R9GwT1KLdC9f+s7M4fLDWELlpYGsAC8qtLH2CQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T12:00:23.335334Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020457observed 4eecffdd1dba6788333faf4c2d2b5738...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:23.316398Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020457/manifest.jsonobserved 07365a83fb30dcedac92eb177f58d0d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:23.293823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020457/publication.mdobserved a47c647e9ac3a635764c8a4803a3785d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:23.275960Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020457/publication.txtobserved a83d4a30cd769aa0138bc9dd8b383733...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.910227Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020457observed 4eecffdd1dba6788333faf4c2d2b5738...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.892113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020457/manifest.jsonobserved 07365a83fb30dcedac92eb177f58d0d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.873427Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020457/publication.mdobserved a47c647e9ac3a635764c8a4803a3785d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.856407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020457/publication.txtobserved a83d4a30cd769aa0138bc9dd8b383733...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. |
|---|