OT-2026-000053529
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000053529) never changes.
Identity and time
| Publication number | OT-2026-000053529 · never reused |
|---|---|
| Internal UUID | 01a0ae85-0a92-709b-a415-0ce890ab3061 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:09.762364Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053529 |
| Status | PUBLIC |
Content hashes
| Canonical text | 109b21a25f339907f362d1ff762f464ea931c29cc700d4f9341ba76e65a34fff |
|---|---|
| Markdown | bbe0330c48eb3dc64498579cb469840da34d7ed97e1239b8529da5c65e75f585 |
| Publication page | 7cd85e08fefe24da4666ba1e846c001070d5d83d32924649fadaa3c024e2781f |
| Manifest | 28357ef7b4ef00e710c8f626f24fe85fbbe4ba322b0a2fe9b665fb96712a332e |
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 | h/HrrbPjO6DZ/om7RBOM7OA+GNjGY63CfiVNYOI5ut4QxrMFh7eftd3hc/+Z7Ome3Pnrf3cR4hlMeqdOwP7wAA== |
| 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
| 2026-09-17T10:55:22.769556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053529observed 7cd85e08fefe24da4666ba1e846c0010...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:22.753053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053529/manifest.jsonobserved 28357ef7b4ef00e710c8f626f24fe85f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:22.735900Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053529/publication.mdobserved bbe0330c48eb3dc64498579cb469840d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:22.716758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053529/publication.txtobserved 109b21a25f339907f362d1ff762f464e...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. |
|---|