OT-2026-000032087
Publication integrity record
Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pulsed blow-off before set-down
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-2026-000032087) never changes.
Identity and time
| Publication number | OT-2026-000032087 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad3-7e50-88f2-3772e04230e4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000032087 |
| Status | PUBLIC |
Content hashes
| Canonical text | ad3a8526c4ce28935d9d66e27015ab1fe90e8c4b6f3020e9779db3b2d190b0dd |
|---|---|
| Markdown | 2a6b732acd666af4e9c7d09c17d65580c5375c86276128e783de95ed64971e51 |
| Publication page | f319e84ad0d22e216d52ca229cd3edecb056cc6dc061f92b96e5e4428954be01 |
| Manifest | 687089b0f5068d0f732f28fa170279b83fb8fdeabf38c133440472fd7ddf9f15 |
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 | 1g+R0K8VEdwP0jIXG6pN8/vHKUOolTJZn8Q3rw9NHcMOkUUFBbabz60lH7MCxWrnLyJX/xmT4+r39cdR513uAQ== |
| 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
| 2026-09-23T20:41:30.119165Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032087observed f319e84ad0d22e216d52ca229cd3edec...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-23T20:41:30.065544Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032087/manifest.jsonobserved 687089b0f5068d0f732f28fa170279b8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T20:41:29.997471Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032087/publication.mdobserved 2a6b732acd666af4e9c7d09c17d65580...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T20:41:29.897577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032087/publication.txtobserved ad3a8526c4ce28935d9d66e27015ab1f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:44.397376Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032087observed f319e84ad0d22e216d52ca229cd3edec...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:44.347274Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032087/manifest.jsonobserved 687089b0f5068d0f732f28fa170279b8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:44.297531Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032087/publication.mdobserved 2a6b732acd666af4e9c7d09c17d65580...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:44.218391Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032087/publication.txtobserved ad3a8526c4ce28935d9d66e27015ab1f...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 |
|---|