OT-2026-000021253
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
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-2026-000021253) never changes.
Identity and time
| Publication number | OT-2026-000021253 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-768d-a287-f18dcd33139c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021253 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6711276ec2405578461190847444f94d3ca18a27c40434a4f0e5ab088b5575ed |
|---|---|
| Markdown | 46cdf1b94b6fa6f2a43c15e28cbe09fd81bfb54f63d109a104c736cff0a8a24d |
| Publication page | ff8ebddd1f2ca29725e8d2bc408f65f6ce4a424c544ca22330cd7c1a9a4a7532 |
| Manifest | 8edca7abe9708ed24fcbc4fe8b5fb46ac6147fb688695ac41201f305a7406be4 |
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 | kbTgWKRIs0uyBmBzizAltrlXQy2xxJ5RYzcZKJ/eGgqgikFezBOQIecRzOmrgV+5VIjgjfX6VxJARGvXMt/XAQ== |
| 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
| 2026-09-17T11:55:04.291765Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021253observed ff8ebddd1f2ca29725e8d2bc408f65f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:04.270152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021253/manifest.jsonobserved 8edca7abe9708ed24fcbc4fe8b5fb46a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:04.248476Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021253/publication.mdobserved 46cdf1b94b6fa6f2a43c15e28cbe09fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:04.225301Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021253/publication.txtobserved 6711276ec2405578461190847444f94d...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. |
|---|