OT-2026-000028748
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, pump fed, sustained 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-2026-000028748) never changes.
Identity and time
| Publication number | OT-2026-000028748 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2251-7d8e-a294-fd8ff4f4abed · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028748 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7f24dab4e717fc87c45792e55e10ff9e761054d043200abf6489ceb5e8123420 |
|---|---|
| Markdown | 3785032fe3bae1c5c8a6f1afe1a584368f9698598698880ffab75434f0906883 |
| Publication page | b838381585063ab42bbd93352a833a18cde919ba604e258941521b95ccbbf7ef |
| Manifest | 4d7f5d27e10aa1fb8ea0fb546ce15c25418ef8d19c208488c7d19aee5c1f7468 |
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 | sG/CSPDo5rQ7NcRm+WzdkcC/qp/FNSY8CluCxb8AYEuTlGpyXW6dCH5FFC80ZsTa5lczyaW6VzZiEhhtqKGoAg== |
| 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
| 2026-09-17T11:39:57.852677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028748observed b838381585063ab42bbd93352a833a18...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:57.826485Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028748/manifest.jsonobserved 4d7f5d27e10aa1fb8ea0fb546ce15c25...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:57.807986Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028748/publication.mdobserved 3785032fe3bae1c5c8a6f1afe1a58436...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:57.787271Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028748/publication.txtobserved 7f24dab4e717fc87c45792e55e10ff9e...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. |
|---|