OT-2026-000034920
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000034920) never changes.
Identity and time
| Publication number | OT-2026-000034920 · never reused |
|---|---|
| Internal UUID | 01a0ae76-1ed3-72cc-b97c-18f40d632291 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:22:51.876169Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000034920 |
| Status | PUBLIC |
Content hashes
| Canonical text | 157015b69b7cf05914e21bb8d0fc840a746a34760b8a1b34bc3b00b7c5de2964 |
|---|---|
| Markdown | 486d888102e5381d3a677033ab6723beb991ddbe099edd696bd574f742037d09 |
| Publication page | 9eddfa4928dcc11fbaa7939eda3fbabb93bcb78a3cf6285970ff171772f3362a |
| Manifest | afa804eaacea63af2411319352329568c355c6f7059a04aabb7e8cc32ee3b240 |
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 | hFtb6NeBikFXUwfGZLI8SBMumB9ON9nPIblU8wDxD5yqU87nk2dBBQRF3a22tvU9VaYyudbUja9UYZ6UHtJ/BQ== |
| 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
| 2026-09-17T08:44:16.985236Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034920observed 9eddfa4928dcc11fbaa7939eda3fbabb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:44:16.741778Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034920/manifest.jsonobserved afa804eaacea63af2411319352329568...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:44:16.528791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034920/publication.mdobserved 486d888102e5381d3a677033ab6723be...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:44:16.252056Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034920/publication.txtobserved 157015b69b7cf05914e21bb8d0fc840a...fetched by grabo-systems from 34.44.131.203, 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. |
|---|