OT-2026-000021975
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, pump fed, pulsed blow-off before set-down
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-2026-000021975) never changes.
Identity and time
| Publication number | OT-2026-000021975 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7da3-8e3f-809296e6dbc1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021975 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0bc3e7e43a9d63b0bd004d428f6805eb1d891daca8cd03e980f04407637c1647 |
|---|---|
| Markdown | f604594182bcdc4af32a9410341c92682c2ab1a056cbc165693cde0816c712e7 |
| Publication page | 67dcbed7442d3be54194f4a43b921d3b46e7db9f796475bfb84fa661a1ff8d25 |
| Manifest | 20646b0dddc488983b57d90c2b8007a51ea97f5892cd09f5a63044d73e9a262f |
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 | 2ibs9WbydZaLKFMPYNemn4yOsgVNnIWzMHp7Ly3t7QQIB3q3+mlieC/j+0cvvwuijdXDDp0MNXrtcSx4rdA3CQ== |
| 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
| 2026-09-17T11:54:38.841886Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021975observed 67dcbed7442d3be54194f4a43b921d3b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:38.822017Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021975/manifest.jsonobserved 20646b0dddc488983b57d90c2b8007a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:38.803312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021975/publication.mdobserved f604594182bcdc4af32a9410341c9268...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:38.784390Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021975/publication.txtobserved 0bc3e7e43a9d63b0bd004d428f6805eb...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. |
|---|