OT-2026-000028992
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000028992) never changes.
Identity and time
| Publication number | OT-2026-000028992 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-7e39-a7f6-a83f93879bc9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028992 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4fd1615c915c3230b5659c139d4db05439c5156ec20e6a27b1fd5024b8b6b043 |
|---|---|
| Markdown | 157884ba8b2abfbbbc0a8ae6f99ae8f82cdafdf3db98e9013a9ba4aa92acac80 |
| Publication page | bb22c6bac78a9549e38feeca78fa52b56a58409ee165051b1a5e60de92850085 |
| Manifest | 40838d72608173f6c035fcc356f2dd191e45772493bd3af95bdb4a0348af25b0 |
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 | GUjjQdAoBFg4LgjZWo0DqLd1RPpcAUjux+QcXSalKHTVAvAgUi09HRow5B7tPbM6uoV9UUCuho8aQQ8u1FGnBg== |
| 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
| 2026-09-17T08:20:32.177372Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028992observed bb22c6bac78a9549e38feeca78fa52b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:32.031984Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028992/manifest.jsonobserved 40838d72608173f6c035fcc356f2dd19...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:32.013953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028992/publication.mdobserved 157884ba8b2abfbbbc0a8ae6f99ae8f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:31.992923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028992/publication.txtobserved 4fd1615c915c3230b5659c139d4db054...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. |
|---|