OT-2026-000013781
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000013781) never changes.
Identity and time
| Publication number | OT-2026-000013781 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8de9-7aca-9a0a-b38acd5c2986 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013781 |
| Status | PUBLIC |
Content hashes
| Canonical text | bdf4c1dd8fd552a6b1b3e69a5112d70f45ec7bf40b5f238257d973f1a921072b |
|---|---|
| Markdown | fb36b3db42c7fd10b7983d00238c7a2adac4fc88dc03980c3047d675a9faacc5 |
| Publication page | 6db19f4ecd7d964161d38837fe9303e774aa07756d7061be445032de3b6c323a |
| Manifest | 9e60e13645bb436df733c97fa0996b1537e2accd16ab5997b9cabc842f19d248 |
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 | ZwWdZ8Uw65eS2TczRM1fEY7Sz4ApEiIwArlj/NBC19dcVzWGt2sUnZrbYSvrdSUcUQPpQFun84r1/hq1xMOfAw== |
| 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
| 2026-09-17T12:08:51.947146Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013781observed 6db19f4ecd7d964161d38837fe9303e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:08:51.926868Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013781/manifest.jsonobserved 9e60e13645bb436df733c97fa0996b15...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:51.907748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013781/publication.mdobserved fb36b3db42c7fd10b7983d00238c7a2a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:51.886528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013781/publication.txtobserved bdf4c1dd8fd552a6b1b3e69a5112d70f...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. |
|---|