OT-2026-000021780
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000021780) never changes.
Identity and time
| Publication number | OT-2026-000021780 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7c80-a9aa-ead077676b86 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021780 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7fd8a7fa17202b015dbde87ba3ee07f57210dc802f8a966a964507e4aefb3d6c |
|---|---|
| Markdown | 94d84fcbd6c42f32693d8a86669f8ebafa3c329e03a7174419310e9964d39ba4 |
| Publication page | f65820c3c5041b810cb77e89a29841f0cc1ee15f95a885e5b52a78f1baa1bd98 |
| Manifest | 18a8183f3d24857f8c5d9cb06a09e4da4a3e45a7013e628d024e22f02ba7b5d4 |
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 | sv/VG5+0pRdytnid6vWJI/nm6x1vu1Z09B905PEJS+E8JDYOw+ix9vK52BdsKQAlz6EqCaex/xYdzmwZcN6JCQ== |
| 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
| 2026-09-17T11:54:19.611998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021780observed f65820c3c5041b810cb77e89a29841f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:19.594889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021780/manifest.jsonobserved 18a8183f3d24857f8c5d9cb06a09e4da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:19.577346Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021780/publication.mdobserved 94d84fcbd6c42f32693d8a86669f8eba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:19.559590Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021780/publication.txtobserved 7fd8a7fa17202b015dbde87ba3ee07f5...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. |
|---|