OT-2026-000054019
Publication integrity record
Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line 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-2026-000054019) never changes.
Identity and time
| Publication number | OT-2026-000054019 · never reused |
|---|---|
| Internal UUID | 01a0ae85-b3a7-788b-b328-9ad0a9293eb0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:53.019909Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054019 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8d3d7046b7132c43329c096bb702b2a0de894638fa2991a1228b03c48fe76dcc |
|---|---|
| Markdown | 80ac635627424bdaaf15907e25a9f79b60abb7022095207e8ca95d6aaed01e19 |
| Publication page | 776bc1a491b9020fc371a276e1524367ba82daf50210de8cb893bba5c1433b96 |
| Manifest | 491dbbbe03e621aa5d571550663063fc32ae9cad41e9722ae0a6db35cc402deb |
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 | 9OJwBstf/ul7EYHwFRh/aOkfBKfU/95iFbXEf121hrIVVpktqZ13RBvc22tnbm7u9YU/Kt+KYURIjCXsNaGZAA== |
| 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
| 2026-09-17T10:54:22.560261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054019observed 776bc1a491b9020fc371a276e1524367...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:54:22.530637Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054019/manifest.jsonobserved 491dbbbe03e621aa5d571550663063fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:22.502092Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054019/publication.mdobserved 80ac635627424bdaaf15907e25a9f79b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:22.471541Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054019/publication.txtobserved 8d3d7046b7132c43329c096bb702b2a0...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. |
|---|