OT-2026-000028760
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000028760) never changes.
Identity and time
| Publication number | OT-2026-000028760 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7490-9958-b17b7f6a5b8a · 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-2026-000028760 |
| Status | PUBLIC |
Content hashes
| Canonical text | 83d938ccecf2d9a2e831a84697c83a0961d9b08c57a9403d4a18ae86d9999613 |
|---|---|
| Markdown | e195422f3e53ad0d24e4756d22424d59343d513780896cc8c7f36f6b19ac68c5 |
| Publication page | c5f140b8f6cd8a6571e0984859ddbcd383e1a8293c510e61b945f819d40074db |
| Manifest | 5de0f4cd7640de8e5019072573194fb293be4d7b1ece0e41a8c81880a9c8b512 |
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 | Ci0umFc5I6nO5R1dJ3QYYAgg8/c4TAnzDDwPlIVzxJB/IWKhQyViD3lRYgGMYxrZhfmZn69ArGiICwkcxSaWCg== |
| 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
| 2026-09-17T11:39:58.803643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028760observed c5f140b8f6cd8a6571e0984859ddbcd3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:58.787079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028760/manifest.jsonobserved 5de0f4cd7640de8e5019072573194fb2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:58.768039Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028760/publication.mdobserved e195422f3e53ad0d24e4756d22424d59...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:58.750400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028760/publication.txtobserved 83d938ccecf2d9a2e831a84697c83a09...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. |
|---|