OT-2026-000042548
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000042548) never changes.
Identity and time
| Publication number | OT-2026-000042548 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0cd-7c7f-bb22-9a8189ff9354 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042548 |
| Status | PUBLIC |
Content hashes
| Canonical text | b94c43cb6dca9ea2bc9d4fcac94ff706fafe8506bc90f364d41812adb7819fb4 |
|---|---|
| Markdown | 903227d24a30a1fe32edbd45329baf730f0031f46df6090ffc950645202131bb |
| Publication page | 1f20dcd91ca94149cf26d819fafe19c90eaa3a7dd7ed16bf31694dd40ca5e847 |
| Manifest | f10ef815929444b7163228764a6503882285af121772aa4ce801b4e68e2470b0 |
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 | w4IqLm+LlD/OXjNV9dlHDXy+4guV4wVIRXNfjPE8PkCosqHOXvoCJh7xdmzK1ZKjm5++8WccXoY5FgSsl1D3CQ== |
| 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
| 2026-09-17T11:14:15.251615Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042548observed 1f20dcd91ca94149cf26d819fafe19c9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:14:15.233014Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042548/manifest.jsonobserved f10ef815929444b7163228764a650388...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:15.214896Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042548/publication.mdobserved 903227d24a30a1fe32edbd45329baf73...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:15.195280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042548/publication.txtobserved b94c43cb6dca9ea2bc9d4fcac94ff706...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. |
|---|