OT-2026-000028778
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000028778) never changes.
Identity and time
| Publication number | OT-2026-000028778 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7fda-9116-42e34d2cc091 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028778 |
| Status | PUBLIC |
Content hashes
| Canonical text | 81bf17d7ecfded21f174480b7eb7a2a0dd19225af0e1ff88509fd9a02d06d70d |
|---|---|
| Markdown | c95bd6634537d7e01dc5313160a401bcf0bd71cc702484ff4f0ae72d91c2d37d |
| Publication page | a0d8c916858e43351198643854b586a78aa8d435e8fba2828a5bd83f4a15c4a1 |
| Manifest | 386d6336fce4c634d04055eb6a3d74f05cd9a30a55fea4367e91fdc061313e0f |
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 | KyrJbBV9XadeyIv7eQ1RVNhFXflyhfrXQZFCUExSTDQP6JJ+mlKRxWs6Mtfrb7Ap0QT2D50QmsjBYIsnvEYsDA== |
| 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
| 2026-09-17T11:40:00.285190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028778observed a0d8c916858e43351198643854b586a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:00.268157Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028778/manifest.jsonobserved 386d6336fce4c634d04055eb6a3d74f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:00.251625Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028778/publication.mdobserved c95bd6634537d7e01dc5313160a401bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:00.232614Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028778/publication.txtobserved 81bf17d7ecfded21f174480b7eb7a2a0...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. |
|---|