OT-2026-000004560
Publication integrity record
Vacuum cup gripper, two zone face, plant vacuum fed, vented before set down, polyurethane cups
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-2026-000004560) never changes.
Identity and time
| Publication number | OT-2026-000004560 · never reused |
|---|---|
| Internal UUID | 01a0a91b-fa4f-7a1b-824b-c3d413cccf07 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:26:18.193730Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004560 |
| Status | PUBLIC |
Content hashes
| Canonical text | 81dc1a217d83674d2973e7e5ee174023332cea6ec65d4ebe259f78b2acbe536a |
|---|---|
| Markdown | e9c7ddb3f97f79d5b77754f5d8163aa648e82290eb33d53d5b11ca4ff4e58a52 |
| Publication page | 923d46ccae973c6dcca6f7f58b814a0fc3787d79c7ce75c496c66753b44f1af1 |
| Manifest | 21895cc1064e10d7ec5e8b60249c62ceee63df1f0cf70f0347f682a0e1fc618c |
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 | hJT8KALQw8ZNwVG4ZSQdC1CIdcc3b1GOUK8ec9Pm0A+x8Ml+cSXwZky1DsKyGLdESzP1ZzadQnHfHDJf/h55CA== |
| 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
| 2026-09-16T07:30:14.710665Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004560observed 923d46ccae973c6dcca6f7f58b814a0f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:14.698512Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004560/manifest.jsonobserved 21895cc1064e10d7ec5e8b60249c62ce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:14.685617Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004560/publication.mdobserved e9c7ddb3f97f79d5b77754f5d8163aa6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:14.673729Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004560/publication.txtobserved 81dc1a217d83674d2973e7e5ee174023...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. |
|---|