OT-2026-000028688
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, three 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-2026-000028688) never changes.
Identity and time
| Publication number | OT-2026-000028688 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-71bf-bd44-79d64a97cf07 · 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-2026-000028688 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2f1815a9297c6364b6fe63c418f99ffd5f4ff847158d55b98a0c982dc428eb42 |
|---|---|
| Markdown | e0481f6249438cc2099d79e0751eacb84c99d60cc3e9be654d1441abd958ac21 |
| Publication page | 1e255a98c88ea6087835d4445a782a8cad0da48d134b61b9cfea315375cd2a3d |
| Manifest | b24ddd2718bdaa09099d6dee3e1e73489a766f4fc8c0eac8acfa71bc9c2f252f |
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 | j6PLb2UfBlxxxWBZow6mbiJNYWZfoANaBbXS+TkFoBE1kPcVy+RKML33+UAbCtdvfoO+uSCLTWqw/Q9z2f5RCA== |
| 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
| 2026-09-17T11:41:40.624979Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028688observed 1e255a98c88ea6087835d4445a782a8c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:40.588489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028688/manifest.jsonobserved b24ddd2718bdaa09099d6dee3e1e7348...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:40.439956Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028688/publication.mdobserved e0481f6249438cc2099d79e0751eacb8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:34.877194Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028688/publication.txtobserved 2f1815a9297c6364b6fe63c418f99ffd...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. |
|---|