OT-2026-000028911
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000028911) never changes.
Identity and time
| Publication number | OT-2026-000028911 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-74ac-812f-5609253b0ac5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028911 |
| Status | PUBLIC |
Content hashes
| Canonical text | c57e4a88530469b70621cc35f55483be1746d628f31b9a58286810d38c5cbd1d |
|---|---|
| Markdown | 3795007ca9895b905592a9a0908d9fcddaf1eaedd5bae9ca2afe4b279a56955a |
| Publication page | 249bd0be660f7af7ef30c4f7345ed96007a7bcb88e2ff845cefad0a3f77e4c1f |
| Manifest | f784111bd2b966ba7ec457b8902c00f99fa1c735f486e542170217a093605d5b |
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 | QmRyHwLB9nl4xjKH4kUiMonycILgxClFmnH68kH4lRhxalN64CTD6Pn0MDw0ZABjfnWDqu7qTiDbswTdG2VzCg== |
| 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
| 2026-09-17T08:20:18.987812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028911observed 249bd0be660f7af7ef30c4f7345ed960...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:18.966811Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028911/manifest.jsonobserved f784111bd2b966ba7ec457b8902c00f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:18.947224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028911/publication.mdobserved 3795007ca9895b905592a9a0908d9fcd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:18.795410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028911/publication.txtobserved c57e4a88530469b70621cc35f55483be...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. |
|---|