OT-2026-000055728
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000055728) never changes.
Identity and time
| Publication number | OT-2026-000055728 · never reused |
|---|---|
| Internal UUID | 01a0ae87-09ca-7394-b3ca-c7513f4e70a7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055728 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5af939a586b2175bd864404bf41d527c935bed7806493ab4012114d6d93b7820 |
|---|---|
| Markdown | d1e553fdd5d66dea443b585cc6537cdc17a3a5deb6b8ed5b372f18f1fa36a736 |
| Publication page | 54d6c17b5e426d971f57cc8b8687fbf97b48d5f07cfcd48768641abb004bfe54 |
| Manifest | be59c238e36c2024f6ecb2e6e20c162f5ef7d33a6f69852dd3b8322ef4dc8330 |
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 | xfi77FbME4mUncf0UhJQU5bMsPHpfU7/M821weCICMOtsHRfSUIdvse2SgJ6MhIYVN/P6Zj4ZDrjGPi3R229Ag== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:51:04.172966Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055728observed 54d6c17b5e426d971f57cc8b8687fbf9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:04.153264Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055728/manifest.jsonobserved be59c238e36c2024f6ecb2e6e20c162f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:04.134627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055728/publication.mdobserved d1e553fdd5d66dea443b585cc6537cdc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:04.113731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055728/publication.txtobserved 5af939a586b2175bd864404bf41d527c...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. |
|---|