OT-2026-000004434
Publication integrity record
Porous face vacuum gripper, per zone isolation, three outlet manifold, two stage ejector, open cell
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-2026-000004434) never changes.
Identity and time
| Publication number | OT-2026-000004434 · never reused |
|---|---|
| Internal UUID | 01a0a917-9858-7fec-9ffd-7800df7f71f5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:21:30.971136Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004434 |
| Status | PUBLIC |
Content hashes
| Canonical text | f5dd57e75bbb7a355c6f332ca832568fa45b5e356dcd1b3d4ccf11a4fcf3b8c3 |
|---|---|
| Markdown | cfe39718e48ec493a64ecbc6a80309828831703319d1e0688056eb385f80f9aa |
| Publication page | 18a5b15cfb43746a0a9b3a7f9f29035dc549b4bf5d37a8613b042953d78b91d0 |
| Manifest | cf0914d6a681b4068917c699664cd2c5dadee4cbf350f0e8021e18b2862ae491 |
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 | 88J4ADnojVjwcW4vxSP04yUlKhFxJtWj+eu25v62dj4y8HIvUN3gaPVipWGuISz59k8mSWKRbBvBRZgjZdwbBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:30:27.961524Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004434observed 18a5b15cfb43746a0a9b3a7f9f29035d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:27.948761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004434/manifest.jsonobserved cf0914d6a681b4068917c699664cd2c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:27.934594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004434/publication.mdobserved cfe39718e48ec493a64ecbc6a8030982...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:27.921724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004434/publication.txtobserved f5dd57e75bbb7a355c6f332ca832568f...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. |
|---|