OT-2026-000004441
Publication integrity record
Porous face vacuum gripper, plant vacuum fed, pressure verified, 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-2026-000004441) never changes.
Identity and time
| Publication number | OT-2026-000004441 · never reused |
|---|---|
| Internal UUID | 01a0a917-d86f-78b7-9459-ee479e13e9e0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:21:47.379026Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004441 |
| Status | PUBLIC |
Content hashes
| Canonical text | 624f1019a55bcde740620fe54592d239c422c476d1d08d4801e599be51234cf7 |
|---|---|
| Markdown | d50d4cc5f4ec3ad9b4b4242fbabb60fd9a7ff6e1cb3b47233d6d9222219ca384 |
| Publication page | 4c5e2308431446256c50ec1e57303eb3c82e072eff46cecc2d1f0a7588c37f65 |
| Manifest | be1710e0c0c8052f384015c1342441e6b7d1c3c1fbdcfc2ed681580d0562e326 |
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 | Ad1DGF4G9vXUAva54pTNo1MZKovna2THI7yWuTr1xwyEmIVUSv2c97DUQ8xmwlxVukytaTqzZ9MaEVznpMN/Bg== |
| 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
| 2026-09-16T07:30:27.202426Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004441observed 4c5e2308431446256c50ec1e57303eb3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:27.189781Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004441/manifest.jsonobserved be1710e0c0c8052f384015c1342441e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:27.176315Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004441/publication.mdobserved d50d4cc5f4ec3ad9b4b4242fbabb60fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:27.161586Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004441/publication.txtobserved 624f1019a55bcde740620fe54592d239...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. |
|---|