OT-2026-000005226
Publication integrity record
Porous face vacuum gripper, three zone face, two stage ejector
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-2026-000005226) never changes.
Identity and time
| Publication number | OT-2026-000005226 · never reused |
|---|---|
| Internal UUID | 01a0a931-fa36-77dd-a341-29fc6d05e7d3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:50:19.961951Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005226 |
| Status | PUBLIC |
Content hashes
| Canonical text | a573343f5ceab4c1320b5ef7907501ddce82d1a491a3d659a3c49f742294dda5 |
|---|---|
| Markdown | ae493c7ede5964277cb7fdf77480911adc43a557057c2b39b62a616f82eae7d1 |
| Publication page | a69edf462d477f7e6b50ef5e58e7880529690ae2697cbaff0b3fbf0f1d7e06f1 |
| Manifest | 643f0161bc0f104807d287094e42ff2fe87a820857e1204f6c552f07a098b92c |
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 | 6VCaVXgr0Cg9zNuk5pGCPRoPR9JCnGRxhf3oTv6OWIfy74n9S6uzLK1nBZcUGfYNdUwFL5oi0JdSBteN4drNAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:00:33.479511Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005226observed a69edf462d477f7e6b50ef5e58e78805...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:33.467607Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005226/manifest.jsonobserved 643f0161bc0f104807d287094e42ff2f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:33.454203Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005226/publication.mdobserved ae493c7ede5964277cb7fdf77480911a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:33.440251Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005226/publication.txtobserved a573343f5ceab4c1320b5ef7907501dd...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. |
|---|