OT-2026-000012993
Publication integrity record
Single cup vacuum gripper, 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-2026-000012993) never changes.
Identity and time
| Publication number | OT-2026-000012993 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5564-7360-a2fc-f1a9879a23d9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012993 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3c8b08abc3dbf84b85f47852dd8cd8b45f968d70ce486f710e0c68b0ae48e89f |
|---|---|
| Markdown | 35208beaa401ad9754b0c1d2e884f732b261716591f4874aea99e4e4e096c488 |
| Publication page | 639c81c1c8faadaf825437d554f70ceddfa9ca4c637f2ba90948afe9c02a3865 |
| Manifest | 581362d905dd95421fb0f80a80a032aab3e45cc150156f16a69ccc18b7c6db75 |
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 | tOZnN4QZT1V420rYXVUcu2BLVZ+/AkYGwIDNN9pfdhAdPoTB0ABZiTR9qiC4vvbDA4dEOYR7WEEM5mw2woZfAg== |
| 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
| 2026-09-17T12:10:48.658529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012993observed 639c81c1c8faadaf825437d554f70ced...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:48.638916Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012993/manifest.jsonobserved 581362d905dd95421fb0f80a80a032aa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:48.619522Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012993/publication.mdobserved 35208beaa401ad9754b0c1d2e884f732...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:48.599959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012993/publication.txtobserved 3c8b08abc3dbf84b85f47852dd8cd8b4...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. |
|---|