OT-2026-000004478
Publication integrity record
Vacuum cup gripper, four zone face, three stage ejector, pressure verified at each zone
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-2026-000004478) never changes.
Identity and time
| Publication number | OT-2026-000004478 · never reused |
|---|---|
| Internal UUID | 01a0a919-5f31-7658-ac41-c45f224a797a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:23:27.412192Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004478 |
| Status | PUBLIC |
Content hashes
| Canonical text | c57099bd0837561f63cb18299df76a83d573a30a297c724a3992c58973ea6b02 |
|---|---|
| Markdown | ab2c426b704c04f9a06a488655749c9a0a30a5e39542018bae3d77e1b8d0a6a4 |
| Publication page | 9c7eeaf9396af94c3c5c8004367e0f253885f287d7be05eef95e303d2a2a5518 |
| Manifest | 9f42f4481a5df80f7d152f70135e79b56ae695b61ab50f6aba94ff9b74fbe27e |
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 | 7BNmd/ujajBxqmrhU7wybl8B/laVVLY5HNC/Z2AFjTeTu7nuXuV2Eg3O27GfVya9HSzu68pJsvj0/1Zr5Q+iDQ== |
| 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
| 2026-09-16T07:30:23.196648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004478observed 9c7eeaf9396af94c3c5c8004367e0f25...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:23.183034Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004478/manifest.jsonobserved 9f42f4481a5df80f7d152f70135e79b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:23.171393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004478/publication.mdobserved ab2c426b704c04f9a06a488655749c9a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:23.158700Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004478/publication.txtobserved c57099bd0837561f63cb18299df76a83...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. |
|---|