OT-2026-000021306
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000021306) never changes.
Identity and time
| Publication number | OT-2026-000021306 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-7e9e-87e4-8b4e200c5ce4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021306 |
| Status | PUBLIC |
Content hashes
| Canonical text | ffdd9a7889811434c78fd3ebbd7c28425ed85d8b3706bf2f9badcca9f22a315e |
|---|---|
| Markdown | 163838eceb2fb7801f9c4f5812f943fcbd6e16bed3dd8993217a37ff13b1021e |
| Publication page | 42d5000c95fc4f0cc0882759e44693764df9a4ca66734076363999be33d52566 |
| Manifest | b555a075d89e46a2111f8e0f10ede3c150c843d4eb0dcc0c070f2ecffbe57473 |
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 | R0Rli8uwcOZ2/kuPoqv/SaxXImPu2Om9RczoTyb4TH2hcQAsA6mr2uZmO+67psQJbPEbQRl8wqwK1xsoeTrYAw== |
| 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
| 2026-09-17T11:55:09.051512Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021306observed 42d5000c95fc4f0cc0882759e4469376...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:09.030867Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021306/manifest.jsonobserved b555a075d89e46a2111f8e0f10ede3c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:09.011442Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021306/publication.mdobserved 163838eceb2fb7801f9c4f5812f943fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:08.991090Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021306/publication.txtobserved ffdd9a7889811434c78fd3ebbd7c2842...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. |
|---|