OT-2026-000027955
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000027955) never changes.
Identity and time
| Publication number | OT-2026-000027955 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-79ef-92e4-4b3c1b605448 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027955 |
| Status | PUBLIC |
Content hashes
| Canonical text | 409d3d2d2311522cfaa646f294d30433c7efb8b5c1660e040e7623f0466754fc |
|---|---|
| Markdown | 0571838a622231166a9007c55ba3ef14561da87e54713b6c96adf8c1e49f1945 |
| Publication page | 946b7f3969d2c6b972977fb510d57947e52251ecb160d01636acd72f287ee566 |
| Manifest | 505df8d690f55c7ab47c1719571aa787f576c49c6f651ff5de492f7bedfe57fb |
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 | YJ+vuKDQgZTJRCjs7oXTFqvyRpQHPStVqa9M4U1dkwEEVIgKOnsIHMCUDbjM+DqCfmU9torIg8IqTe4ql7kYCg== |
| 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
| 2026-10-27T20:41:36.289959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027955observed 946b7f3969d2c6b972977fb510d57947...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-27T20:41:36.216289Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027955/manifest.jsonobserved 505df8d690f55c7ab47c1719571aa787...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T20:41:36.140317Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027955/publication.mdobserved 0571838a622231166a9007c55ba3ef14...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T20:41:36.051362Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027955/publication.txtobserved 409d3d2d2311522cfaa646f294d30433...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:08.521676Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027955observed 946b7f3969d2c6b972977fb510d57947...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:08.505310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027955/manifest.jsonobserved 505df8d690f55c7ab47c1719571aa787...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:08.487214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027955/publication.mdobserved 0571838a622231166a9007c55ba3ef14...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:08.469128Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027955/publication.txtobserved 409d3d2d2311522cfaa646f294d30433...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
| 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 |
|---|