OT-2026-000021278
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold 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-2026-000021278) never changes.
Identity and time
| Publication number | OT-2026-000021278 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-74ca-9600-24aa3f511350 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021278 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7350320526a973dfc1b443c1c690ba1f912a34db33f7959bbcbc9de7d4df8ad4 |
|---|---|
| Markdown | 97cba3ba4a92ab2f6bfd4699bc5ba690a5cb2d659fd17e415ac855792f0de64d |
| Publication page | e51df4146f630a342c131d7fbec5c144ffd3dc84b4f690aadcc2f9f5ff9514d7 |
| Manifest | 18a46ef330800caba3e5f58fd636843ac98dd58be07e872756a1564e0e878f5c |
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 | WsR6L4hXE78BVRzy5ZFNfufRoMshNyGVT+bDe7jV8LGCleIPV9aVMLa0ce392AYCnleZAUGbeJ2vcaV6k0vUDQ== |
| 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
| 2026-09-17T11:55:06.532750Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021278observed e51df4146f630a342c131d7fbec5c144...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:06.514877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021278/manifest.jsonobserved 18a46ef330800caba3e5f58fd636843a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:06.493674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021278/publication.mdobserved 97cba3ba4a92ab2f6bfd4699bc5ba690...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:06.468481Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021278/publication.txtobserved 7350320526a973dfc1b443c1c690ba1f...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. |
|---|