OT-2026-000028753
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000028753) never changes.
Identity and time
| Publication number | OT-2026-000028753 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7216-999e-4e95be01ac7b · 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-2026-000028753 |
| Status | PUBLIC |
Content hashes
| Canonical text | 00bdd8a363fc6f3f0f97d4bf0840d507db764c63ec4984ed1526596d2357ee5d |
|---|---|
| Markdown | f381bb6d9632fc984601022154f34cbf7505be4489a67a4be8c2a4dc579b702a |
| Publication page | 82b60fefbac5c87740952f2ea932c03969b5dc7d81499107d9d2e00703c64622 |
| Manifest | 427cbdc3008ab67c2df0610ffc55f398b35c62a76436197d2b2fcee62e2264f4 |
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 | 1hL81+uMBV4sARjJoubZ1ebrrpO8IBGf0Bff8h4ZPXQ0go15ZYaJF9/aOLEKafF5p/RJKt1vcPCIkgZA1IQJCQ== |
| 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
| 2026-09-17T11:39:58.253635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028753observed 82b60fefbac5c87740952f2ea932c039...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:58.232706Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028753/manifest.jsonobserved 427cbdc3008ab67c2df0610ffc55f398...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:58.213443Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028753/publication.mdobserved f381bb6d9632fc984601022154f34cbf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:58.192928Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028753/publication.txtobserved 00bdd8a363fc6f3f0f97d4bf0840d507...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. |
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