OT-2026-000020292
Publication integrity record
Single bellows cup vacuum gripper, pump fed, supply line 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-2026-000020292) never changes.
Identity and time
| Publication number | OT-2026-000020292 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-7e28-88fb-c3640cc5ed4f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020292 |
| Status | PUBLIC |
Content hashes
| Canonical text | ba2a2e113ae1fed4b2fbd772ea7f0f30e2ec23225310af8324d2dc3dcc9a6458 |
|---|---|
| Markdown | ca16348338d68350971715810acdb853e16382632733d18c00f7c8fc85a8944b |
| Publication page | 585c3a4afe1f6abb7188a083277141d20faf4520dba4a7df4eb76d0e155a9457 |
| Manifest | e4d1c756eb3a43cc4da12287a2c53f17803d8762f57947012211fcb7ab2774c2 |
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 | 47p/VYhzRqPeT1QMjSqUg4t1bEbdJS7KnmpQQ0caOs91nwzcCs5yvWmKd2pkSGpbUZmZhvCKtlAcGnyZeG8sCg== |
| 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
| 2026-09-17T11:56:39.175391Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020292observed 585c3a4afe1f6abb7188a083277141d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:39.155500Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020292/manifest.jsonobserved e4d1c756eb3a43cc4da12287a2c53f17...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:39.127613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020292/publication.mdobserved ca16348338d68350971715810acdb853...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:39.070986Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020292/publication.txtobserved ba2a2e113ae1fed4b2fbd772ea7f0f30...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. |
|---|