OT-2026-000020688
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000020688) never changes.
Identity and time
| Publication number | OT-2026-000020688 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-711f-87a5-49a1193f7479 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020688 |
| Status | PUBLIC |
Content hashes
| Canonical text | 886a1ab370b6d1c3f61640c50ca523af81cf0645086c23c505fd44cc11c78557 |
|---|---|
| Markdown | eaf1f49c773f13cd082812a9f30d4a7e8a2daa13fee7e4da302b5189761bd434 |
| Publication page | 885b084b55774d902fc3dc0268da34e92ee82923f0012939d88ed6e452887ba8 |
| Manifest | d39e62dbfde627bce719483fc926fb883ddf7337d1adb7b8b029ddb3cf839a04 |
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 | +d53pOrKcyMrsmjSuFnhKlU9flKRyCCQNN+vdboKZl3NrQ9bPDAJxt/4lgQSnfNFRu3MQq0I96K9VjrVTRe4Cw== |
| 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
| 2026-09-17T11:55:43.775308Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020688observed 885b084b55774d902fc3dc0268da34e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:43.719909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020688/manifest.jsonobserved d39e62dbfde627bce719483fc926fb88...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:43.702277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020688/publication.mdobserved eaf1f49c773f13cd082812a9f30d4a7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:43.685029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020688/publication.txtobserved 886a1ab370b6d1c3f61640c50ca523af...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. |
|---|