OT-2026-000004120
Publication integrity record
Vacuum cup gripper, four zone face, four outlet manifold, 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-2026-000004120) never changes.
Identity and time
| Publication number | OT-2026-000004120 · never reused |
|---|---|
| Internal UUID | 01a0a90f-3491-783e-bff0-21dc84ea2ab4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:21.139824Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004120 |
| Status | PUBLIC |
Content hashes
| Canonical text | c15745848d22e53819f2e6235305d532e7603d938857b73d2beaa89ed30d6dbc |
|---|---|
| Markdown | b5ff8ac3c88002db39a0aa68b8fb46cef82c0ee5670846dedbe0ee529a4f196e |
| Publication page | 12bc99d0acbabbf541bd18de3fbceb0f48ddb7b4d023764233904f97e125e5d3 |
| Manifest | bde6d3e55aba39f38ca71f98a82b6c46ca816b50aa8eb4b5f8c3673a3c1cb4b6 |
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 | T/FUMvEKZH3Q4x1I723Xdn090sxa4NaCi2cgzBoIjofrLUlGReGWWj4QWiCF4WF1+lF2ynI+0rGrcvf0O9Y9Cw== |
| 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
| 2026-09-16T07:20:34.377027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004120observed 12bc99d0acbabbf541bd18de3fbceb0f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:34.240897Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004120/manifest.jsonobserved bde6d3e55aba39f38ca71f98a82b6c46...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:34.227953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004120/publication.mdobserved b5ff8ac3c88002db39a0aa68b8fb46ce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:34.214270Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004120/publication.txtobserved c15745848d22e53819f2e6235305d532...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. |
|---|