OT-2026-000028774
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000028774) never changes.
Identity and time
| Publication number | OT-2026-000028774 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-771b-af52-af6416459379 · 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-2026-000028774 |
| Status | PUBLIC |
Content hashes
| Canonical text | 18d8107141898c09088e045d8953573ae062cfb3c4fe99bb048889b514a017ee |
|---|---|
| Markdown | 5a8eca65fd4292283a597f117c829c986efaca284180d49017fc937acb3690fb |
| Publication page | f0518ca694b3d54964043d5bf229beba42a235dd10525eb4a5e2af8f3159e5b4 |
| Manifest | d6d2a460b457df6593f4342dc5cb39a91ccd31295bf3ce339a1f2bd3e940e3f6 |
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 | CMwqqQ86tO5x9jh16H9QBl0s89ZR/vpYnBAsalT6FbZeTsiMasRFSJRWbeRIwi2qWlgjkwXFjqQtkfEeJlEFBw== |
| 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
| 2026-09-17T11:39:59.932651Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028774observed f0518ca694b3d54964043d5bf229beba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:59.914729Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028774/manifest.jsonobserved d6d2a460b457df6593f4342dc5cb39a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:59.895819Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028774/publication.mdobserved 5a8eca65fd4292283a597f117c829c98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:59.877233Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028774/publication.txtobserved 18d8107141898c09088e045d8953573a...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. |
|---|