OT-2026-000018280
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000018280) never changes.
Identity and time
| Publication number | OT-2026-000018280 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-b488-736f-b085-e8d693ad6837 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:45.971508Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018280 |
| Status | PUBLIC |
Content hashes
| Canonical text | d6f815f4337856f16cf4e4a8a7c7f0d996f60a09c6c50d38b8e9dc4400f866c2 |
|---|---|
| Markdown | c987484633c14569b6450bf2534a7540e244b1903c20a3452fb7a79b1de69d79 |
| Publication page | ae00bdb692dc32a7ab0f7b04a2d17706db786ad8da949bca8539db0d39d7e0bb |
| Manifest | 29fa5b7da873f630eea03c845124066f6cd60d051c510c53c7387ac30e985a1f |
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 | O849OGOP+5hI33bIdralEddACNYmp2KM93bPnzHkTPv9HIeXfXyi/JkHvJMRO54hRkKYxK1ceLSut6FsieMdDQ== |
| 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
| 2026-09-17T08:43:51.523539Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018280observed ae00bdb692dc32a7ab0f7b04a2d17706...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:43:50.998947Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018280/manifest.jsonobserved 29fa5b7da873f630eea03c845124066f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:43:50.553742Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018280/publication.mdobserved c987484633c14569b6450bf2534a7540...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:43:50.050244Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018280/publication.txtobserved d6f815f4337856f16cf4e4a8a7c7f0d9...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
| Custody package | Pending Custody packages are produced weekly. |
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