OT-2026-000019161
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000019161) never changes.
Identity and time
| Publication number | OT-2026-000019161 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f391-7857-b578-299da3e09294 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019161 |
| Status | PUBLIC |
Content hashes
| Canonical text | d8b63112aa6c4d97bd090d19e5ff7388d940c5e2a1bd1304f71ae0a4df7d7592 |
|---|---|
| Markdown | 39d7342f2a8822755995c65416bd9ac67155dc4e4daf0f4743af28a74c7ae2b9 |
| Publication page | 7ba58e7c1936caf7206641f03c5736367285c69cd03f2c04ee2caa8d0a2c251f |
| Manifest | 59ad42b824e84c0effd608ba55a16369148025247c987947cfb46bdc7af87fc9 |
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 | fst0T8dpefkT6GxPHlyAXT0SwmuuBjicLCHvkZQ5yD+iq2kwNZt7bMLR988pFgEFd9VONrdWsSE1nzNvvbHmCQ== |
| 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
| 2026-09-17T11:58:28.299636Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019161observed 7ba58e7c1936caf7206641f03c573636...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:28.282348Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019161/manifest.jsonobserved 59ad42b824e84c0effd608ba55a16369...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:28.264463Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019161/publication.mdobserved 39d7342f2a8822755995c65416bd9ac6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:28.246305Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019161/publication.txtobserved d8b63112aa6c4d97bd090d19e5ff7388...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. |
|---|