OT-2026-000004133
Publication integrity record
Vacuum cup gripper, four zone face, common isolation valve, 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-2026-000004133) never changes.
Identity and time
| Publication number | OT-2026-000004133 · never reused |
|---|---|
| Internal UUID | 01a0a90f-5ad5-74b7-af5f-06598a4c1b95 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:30.937355Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004133 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9d01a534110157f4b08ee5a2ddb2b8bd1578ecbabbafffbeb74ee7a2d9eeefba |
|---|---|
| Markdown | 4aaa4c57d8274e71f628314fa8004e900194019968f103a5e0536d6eb600323a |
| Publication page | cd9e83a73a48793131c6f716707e9d3e43bff82053ed2d7b64c486d50c6ef5fb |
| Manifest | 76825cc27200fb68df4428847c84e0c3a06c89852645d17673a69146a4f28e57 |
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 | eAD1VX+54vdX5anp7/AAWH79vnhlpu9jZRGQBsG0aYsvLjcekVAyZP9GL0V6WKyqUM/u6HwzciC01sbnLCWABw== |
| 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
| 2026-09-16T08:42:32.683652Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004133observed cd9e83a73a48793131c6f716707e9d3e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:42:32.169294Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004133/manifest.jsonobserved 76825cc27200fb68df4428847c84e0c3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:42:31.743274Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004133/publication.mdobserved 4aaa4c57d8274e71f628314fa8004e90...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:42:31.237078Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004133/publication.txtobserved 9d01a534110157f4b08ee5a2ddb2b8bd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:32.883284Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004133observed cd9e83a73a48793131c6f716707e9d3e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:32.869727Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004133/manifest.jsonobserved 76825cc27200fb68df4428847c84e0c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:32.731473Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004133/publication.mdobserved 4aaa4c57d8274e71f628314fa8004e90...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:32.717296Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004133/publication.txtobserved 9d01a534110157f4b08ee5a2ddb2b8bd...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. |
|---|