OT-2026-000074464
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000074464) never changes.
Identity and time
| Publication number | OT-2026-000074464 · never reused |
|---|---|
| Internal UUID | 01a0ae93-717a-7cd3-9b18-be11e04cfa62 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:53.574555Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074464 |
| Status | PUBLIC |
Content hashes
| Canonical text | cefc179957da022cd2308aaa329608e3d87f241d878b514eb07c0f4afa54a6b9 |
|---|---|
| Markdown | b5450cf1d954a54ff36fae590a6cfc9ac352bfd4826b3fa82dbfb7b47ccbbc39 |
| Publication page | 607fee10d8b6439c9dc9843c44700bdaf63abdf4613bbe0c2c9986353c0b1775 |
| Manifest | 7d7e0f6c1adcc1c38ffac39e3d0e26b3a43b75930af97a5173a17c58feef0395 |
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 | +y5HIymzDz4W7bdmbysO78MTjl7qVMmxn08yl6vRAHhWiNZP1lpMehA26THLV2LKKbXlk2w196zvHfwEITtkDw== |
| 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
| 2026-10-26T00:41:44.548181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074464observed 607fee10d8b6439c9dc9843c44700bda...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T00:41:44.462065Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074464/manifest.jsonobserved 7d7e0f6c1adcc1c38ffac39e3d0e26b3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T00:41:44.374086Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074464/publication.mdobserved b5450cf1d954a54ff36fae590a6cfc9a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T00:41:44.294260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074464/publication.txtobserved cefc179957da022cd2308aaa329608e3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:41:37.312058Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074464observed 607fee10d8b6439c9dc9843c44700bda...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:41:37.263199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074464/manifest.jsonobserved 7d7e0f6c1adcc1c38ffac39e3d0e26b3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:41:37.206448Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074464/publication.mdobserved b5450cf1d954a54ff36fae590a6cfc9a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:41:37.116743Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074464/publication.txtobserved cefc179957da022cd2308aaa329608e3...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 |
|---|