OT-2026-000029388
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000029388) never changes.
Identity and time
| Publication number | OT-2026-000029388 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e20-7aae-80c5-d287988906e9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:51.545382Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029388 |
| Status | PUBLIC |
Content hashes
| Canonical text | fa9c7f11de559c2c70495cf57307d2df663c7dde74863664c633448c2f0f6645 |
|---|---|
| Markdown | 74ca754fbf1942f9352e4c7dc57dfbdfa072d8697c4991c45ff6d31e57c3cd62 |
| Publication page | a6dc8717bfd6053e2b841ac06ed0beb22c1b816faf9adc2d994c55fa8f2b114f |
| Manifest | fc4bd96b25683777c54f25f3a7d60a0f94a6e54cd00626e6a74b800dfae91552 |
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 | WstwUnEnWq1dJ13RS8KR7r6YGH+PdV+OM7uvUywvCst9rUEU+Q5IyHJpxBhdcg+B901el2nuUJgtw8WpucDrAg== |
| 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
| 2026-10-23T04:23:34.519779Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029388observed a6dc8717bfd6053e2b841ac06ed0beb2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T04:23:34.504844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029388/manifest.jsonobserved fc4bd96b25683777c54f25f3a7d60a0f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:23:34.489773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029388/publication.mdobserved 74ca754fbf1942f9352e4c7dc57dfbdf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:23:34.455651Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029388/publication.txtobserved fa9c7f11de559c2c70495cf57307d2df...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:12.400877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029388observed a6dc8717bfd6053e2b841ac06ed0beb2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:12.328851Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029388/manifest.jsonobserved fc4bd96b25683777c54f25f3a7d60a0f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:12.261116Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029388/publication.mdobserved 74ca754fbf1942f9352e4c7dc57dfbdf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:12.162051Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029388/publication.txtobserved fa9c7f11de559c2c70495cf57307d2df...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 |
|---|