OT-2026-000049163
Publication integrity record
Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000049163) never changes.
Identity and time
| Publication number | OT-2026-000049163 · never reused |
|---|---|
| Internal UUID | 01a0ae81-134e-7335-99ee-1b984932fe1b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:34:49.967260Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049163 |
| Status | PUBLIC |
Content hashes
| Canonical text | f725d7dc1291607b83322522a23acfccfa36f8a747d120128c89a0f79e3c248f |
|---|---|
| Markdown | f1d28c21b958440f4c9cb820ba45f3e68e99e7c009f3cbf16e61eaf7f158be80 |
| Publication page | 232d7847c75b21340ced800ffc0a8e2f5b39a383b501c163b528580b674e85b4 |
| Manifest | eb9b5347acc3241a2e693c21ec431cc1d1c6fc23538b41392dd80edc78102564 |
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 | nFvW7ZqnjtqDz/BcR7fdo6DVUHMeiUHhd3cYFJ+xlqvwasS+WFFtu6y1dzLkhx7wOQGxD5qTZ+cpMlxvCKa/Dg== |
| 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
| 2026-10-29T04:23:23.548245Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049163observed 232d7847c75b21340ced800ffc0a8e2f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T04:23:23.532634Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049163/manifest.jsonobserved eb9b5347acc3241a2e693c21ec431cc1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:23:23.506799Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049163/publication.mdobserved f1d28c21b958440f4c9cb820ba45f3e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:23:23.474299Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049163/publication.txtobserved f725d7dc1291607b83322522a23acfcc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-24T08:41:53.648050Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049163observed 232d7847c75b21340ced800ffc0a8e2f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T08:41:53.546116Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049163/manifest.jsonobserved eb9b5347acc3241a2e693c21ec431cc1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T08:41:53.488790Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049163/publication.mdobserved f1d28c21b958440f4c9cb820ba45f3e6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T08:41:53.383151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049163/publication.txtobserved f725d7dc1291607b83322522a23acfcc...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
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