OT-2026-000041879
Publication integrity record
Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer
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-2026-000041879) never changes.
Identity and time
| Publication number | OT-2026-000041879 · never reused |
|---|---|
| Internal UUID | 01a0ae79-e8a5-7d4c-98d9-5b289468ae42 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:00.220789Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000041879 |
| Status | PUBLIC |
Content hashes
| Canonical text | 08328f80cbe0f9268c6c31448b4f5c3a3cafc8b577d6b567e255d89214e3260d |
|---|---|
| Markdown | 3f1cc220b746c6bcd568b3496511521da03ec22d6c5509e7ca025b5fe524961b |
| Publication page | 3082ad562c92c1cc8ba0ab5047ebed83919001ddbe8cc3ca3aaa7c532399c46f |
| Manifest | 039ff0037f7c23103cdd74e7e0096b479a61fdadb5462427962b2086959f8d6b |
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 | FrxEkgxoHgJxZNmGbfN+yFB0cddYFHSn0JFNTmT4XXpnIGS2MRqfXQAbPGjmWxK5BryNB37zqxz9+uC+ROXpDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-09T04:23:11.054481Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041879observed 3082ad562c92c1cc8ba0ab5047ebed83...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-09T04:23:11.036083Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041879/manifest.jsonobserved 039ff0037f7c23103cdd74e7e0096b47...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:11.017454Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041879/publication.mdobserved 3f1cc220b746c6bcd568b3496511521d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:10.969552Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041879/publication.txtobserved 08328f80cbe0f9268c6c31448b4f5c3a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-06T16:41:36.528014Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041879observed 3082ad562c92c1cc8ba0ab5047ebed83...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T16:41:36.448195Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041879/manifest.jsonobserved 039ff0037f7c23103cdd74e7e0096b47...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T16:41:36.391216Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041879/publication.mdobserved 3f1cc220b746c6bcd568b3496511521d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T16:41:36.336788Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041879/publication.txtobserved 08328f80cbe0f9268c6c31448b4f5c3a...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|