OT-2026-000021394
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off before set-down
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-2026-000021394) never changes.
Identity and time
| Publication number | OT-2026-000021394 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-725b-91fa-5bd6e7d1a3e7 · 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-2026-000021394 |
| Status | PUBLIC |
Content hashes
| Canonical text | 438f616291737421e10bb6fec3d3a0f703d19ee11123a3f7c8d875983be85d4a |
|---|---|
| Markdown | f5e6d9fe57a80142318899fb790906bdd41f9c706d9547cf8c998307bfe4bd49 |
| Publication page | 92f30558cd3bf9d8dfbd676fe5bffa8d4b64ecf720a90c24bc6a17bf8d1ebd66 |
| Manifest | 1b15463456fa0dc38fec20b1d5cca0293eb49a63a720da8c1a9fe10e35d85626 |
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 | fbRCGrwkXzJNlTuzK1Y2Lup1l6CiyHU8qmoS7XZ91BqYnubcBMhG+hHWMiY8HaUD5wU7UswCMSGHOCrHAU8bAA== |
| 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
| 2026-09-17T11:55:16.930265Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021394observed 92f30558cd3bf9d8dfbd676fe5bffa8d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:16.907280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021394/manifest.jsonobserved 1b15463456fa0dc38fec20b1d5cca029...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:16.882941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021394/publication.mdobserved f5e6d9fe57a80142318899fb790906bd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:16.859103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021394/publication.txtobserved 438f616291737421e10bb6fec3d3a0f7...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. |
|---|