OT-2026-000028749
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-2026-000028749) never changes.
Identity and time
| Publication number | OT-2026-000028749 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7d8b-992a-bce052fb5857 · 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-2026-000028749 |
| Status | PUBLIC |
Content hashes
| Canonical text | d1515814d8fd867db7b4210051c7a94d62a3918e244f464e4caad16c683e8760 |
|---|---|
| Markdown | f6d1aadd6911083060803cb6cfd7c6627c9ee11c02be73a2814783d3e88302bd |
| Publication page | 44c7eb95d4fc4025de506d4e00389b412626bf79c4ba98b21781d3a8115c9a6d |
| Manifest | 52082c0f5b314c7fb9e6c1ea5c607cb9f3bbd0cde81787ea46ce4cf9cc2387d8 |
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 | qKymyhtFlIPpT97BPRAiU9jRpg8VT68i/5DBPauIOkYtI2HVQsnwwi4DehKidjAGQHB/nVCFlQsgFip1/p49AQ== |
| 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
| 2026-09-17T11:39:57.928642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028749observed 44c7eb95d4fc4025de506d4e00389b41...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:57.910699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028749/manifest.jsonobserved 52082c0f5b314c7fb9e6c1ea5c607cb9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:57.892751Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028749/publication.mdobserved f6d1aadd6911083060803cb6cfd7c662...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:57.875507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028749/publication.txtobserved d1515814d8fd867db7b4210051c7a94d...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. |
|---|