OT-2026-000075407
Publication integrity record
Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold 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-2026-000075407) never changes.
Identity and time
| Publication number | OT-2026-000075407 · never reused |
|---|---|
| Internal UUID | 01a0ae93-f201-7806-ba56-b33ff129e808 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:26.476108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075407 |
| Status | PUBLIC |
Content hashes
| Canonical text | f7e9b2d852189664f14276ca7cfcc79f3fcd5e162ad5d22de5ce573f6acd469c |
|---|---|
| Markdown | 77b645c3f3c266e804622611092f041040b249d6909179196d7d78c30a928e6f |
| Publication page | 3d4c331e8427e1e23695c7b6ef72b0dbdf4051061d74db616a475fec11c947bc |
| Manifest | 52d67e2cf069d9c348b46440adc7aeb823d12def22d11e505a3ba1be5b9cdf46 |
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 | fyp8yxJUu7dAuNa7wCKiFfmbWSxPtk6TZZI0sEawNglRzBISBYINkJbJxJ4x/gcubGMju5PlaXhSC1Zk86dwDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-17T16:41:49.259319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075407observed 3d4c331e8427e1e23695c7b6ef72b0db...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T16:41:49.208846Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075407/manifest.jsonobserved 52d67e2cf069d9c348b46440adc7aeb8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T16:41:49.153381Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075407/publication.mdobserved 77b645c3f3c266e804622611092f0410...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T16:41:49.088970Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075407/publication.txtobserved f7e9b2d852189664f14276ca7cfcc79f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T00:41:20.995707Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075407observed 3d4c331e8427e1e23695c7b6ef72b0db...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T00:41:20.943896Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075407/manifest.jsonobserved 52d67e2cf069d9c348b46440adc7aeb8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T00:41:20.887767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075407/publication.mdobserved 77b645c3f3c266e804622611092f0410...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T00:41:20.823730Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075407/publication.txtobserved f7e9b2d852189664f14276ca7cfcc79f...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 |
|---|