OT-2026-000028457
Publication integrity record
Six cup vacuum gripper, six outlet manifold, 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-2026-000028457) never changes.
Identity and time
| Publication number | OT-2026-000028457 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-7e6d-803a-c031e7e14f0c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028457 |
| Status | PUBLIC |
Content hashes
| Canonical text | a719186c51576fd9f5892a4161a67df85342cda3985ee368382d4c4dc7303c46 |
|---|---|
| Markdown | 2d7e1901e4a11ca38234fd87a0e431306488414cb574c61d738244d9897a2682 |
| Publication page | c8df6cba5ac90c4656511a29d44ce38e7af9d0c4bf758a80c5257b4c8d6c575e |
| Manifest | e103067909827c76d2a9ec2e530d067acb17e1fd5fa428c28e9ffdbda8110787 |
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 | 9sKrJwDOihfrA9Zd6rpvugraSdimS+wKsnzcvufgx0DCf0+43FrHVe1ZsMotTT11UrqY6ufPHR5PjvZgaCgkDQ== |
| 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
| 2026-09-17T11:40:35.910374Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028457observed c8df6cba5ac90c4656511a29d44ce38e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:35.889488Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028457/manifest.jsonobserved e103067909827c76d2a9ec2e530d067a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:35.868467Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028457/publication.mdobserved 2d7e1901e4a11ca38234fd87a0e43130...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:35.847132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028457/publication.txtobserved a719186c51576fd9f5892a4161a67df8...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. |
|---|