OT-2026-000050067
Publication integrity record
Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer
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-2026-000050067) never changes.
Identity and time
| Publication number | OT-2026-000050067 · never reused |
|---|---|
| Internal UUID | 01a0ae81-fd78-7aa3-bb8a-24024721b476 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:49.774136Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050067 |
| Status | PUBLIC |
Content hashes
| Canonical text | 66ed4104e8267bc193b7f9d025937231c74361b6b170d1db0de7c3d59ee03cb0 |
|---|---|
| Markdown | c9252f501d210076b11568257da9819e7ffb2288357bea0d4235b921706d95c7 |
| Publication page | 692bab829b8c7adb047ada0fa5d9bc7dcbfd847d764330553aaf4dadb2a9ab77 |
| Manifest | 7a5904d693c2be440b5ecb094c02b7513d665644e6dd05af69e5a827e768f874 |
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 | FixFtD655kvBJHYjSfage6p2iUp4KMlBneisLyqL4UuwBhTp+T8kZaBZC0RoNZpwQ66AbO+aw+ZdafC2M+YsAg== |
| 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... |
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Independent retrieval
| 2026-09-26T04:41:44.753315Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050067observed 692bab829b8c7adb047ada0fa5d9bc7d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-26T04:41:44.662371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050067/manifest.jsonobserved 7a5904d693c2be440b5ecb094c02b751...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T04:41:44.583003Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050067/publication.mdobserved c9252f501d210076b11568257da9819e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T04:41:44.505100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050067/publication.txtobserved 66ed4104e8267bc193b7f9d025937231...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:41:04.027263Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050067observed 692bab829b8c7adb047ada0fa5d9bc7d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:41:03.884146Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050067/manifest.jsonobserved 7a5904d693c2be440b5ecb094c02b751...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:41:03.751810Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050067/publication.mdobserved c9252f501d210076b11568257da9819e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:41:03.512985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050067/publication.txtobserved 66ed4104e8267bc193b7f9d025937231...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 |
|---|