OT-2026-000004108
Publication integrity record
Vacuum cup gripper, two zone face, three stage ejector, contact triggered on the face
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-2026-000004108) never changes.
Identity and time
| Publication number | OT-2026-000004108 · never reused |
|---|---|
| Internal UUID | 01a0a90e-d21d-7794-b391-cd28c381fd4e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:11:55.936743Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004108 |
| Status | PUBLIC |
Content hashes
| Canonical text | bc341c5e2effdd0107591b9eb5ad2a459e48ffe346dfd744623c4bc15ed9c904 |
|---|---|
| Markdown | 649ecb6f693527c67583ac7fb79763f64919923eeeef14672ca5df97c9300613 |
| Publication page | d05c7d6e6ead6e049eefb86201ce9ddb4ecdb6d07b7de72acd58004452e692de |
| Manifest | 48a861b4674df5fb38b5d7009e24dfd7e5e053ef86a8785909e535696319b707 |
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 | aRYH4Z7+1Osupqh3QvlUo7znz5LxbrSpV++5HAZl4EMxTN/wHlmGA6WYyQXngvPtkThjYWHwfAxjkLkfbKqTDQ== |
| 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
| 2026-09-16T07:20:35.663211Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004108observed d05c7d6e6ead6e049eefb86201ce9ddb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:35.651469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004108/manifest.jsonobserved 48a861b4674df5fb38b5d7009e24dfd7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:35.639085Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004108/publication.mdobserved 649ecb6f693527c67583ac7fb79763f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:35.622825Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004108/publication.txtobserved bc341c5e2effdd0107591b9eb5ad2a45...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. |
|---|