OT-2026-000052144
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000052144) never changes.
Identity and time
| Publication number | OT-2026-000052144 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e78f-7a3d-b20f-817e7918bc65 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052144 |
| Status | PUBLIC |
Content hashes
| Canonical text | c43be3fa3c63d35e48af2c1fd793c2f6551a184650a2d5790d302d82a7b51c83 |
|---|---|
| Markdown | 6cc528bf1557ddbc02675362751799f7d3a04483b082c37287014b817ea96d5a |
| Publication page | ca29df7f28595b91cc38c9ac1a974a183feb56c428218aa9ae14679543b91cd5 |
| Manifest | 5b88a37659401c4e8a1f0c1eec5786f586107bde455e4c2b6592b892f2c6541f |
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 | CkRv3MS3ADVlbClr676jvwI1peODHr6keUmnfajJq2ZCvegOExhPfZ2DjkWsoguGCDHmPt/hrVE3FApoc9s7CQ== |
| 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
| 2026-09-17T10:57:41.787837Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052144observed ca29df7f28595b91cc38c9ac1a974a18...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:41.770737Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052144/manifest.jsonobserved 5b88a37659401c4e8a1f0c1eec5786f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:41.753461Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052144/publication.mdobserved 6cc528bf1557ddbc02675362751799f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:41.736723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052144/publication.txtobserved c43be3fa3c63d35e48af2c1fd793c2f6...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. |
|---|