OT-2026-000020720
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000020720) never changes.
Identity and time
| Publication number | OT-2026-000020720 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-721f-9ca7-055ea0cc7099 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020720 |
| Status | PUBLIC |
Content hashes
| Canonical text | ed0c7644152b5318f9cc6adc9cc1158c52417da0278b9f793874fcf16c43bdfa |
|---|---|
| Markdown | b74564e140def8bc3f465603ce6d14197f04d7b52b4f2b38c58e25e9fef3b848 |
| Publication page | e857c37d18bb4e324be5cbb677a37ac056cd76dcaeb0b330ee4de257bffbca2f |
| Manifest | f18e4401c22b9e54ea96580f75382fa9bb3be6ab201fa30cf8ba70fe4ab98970 |
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 | zG3YezCPxGbAarIvuGgCVWWfrD2388+x+BJTCDE6AEwp/on9AL6M616N6cSFfKYJmzyD/3/wz3kiOHMxyye9Dw== |
| 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
| 2026-09-17T12:43:35.087046Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020720observed e857c37d18bb4e324be5cbb677a37ac0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:43:34.914825Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020720/manifest.jsonobserved f18e4401c22b9e54ea96580f75382fa9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:43:34.740722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020720/publication.mdobserved b74564e140def8bc3f465603ce6d1419...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:43:34.429747Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020720/publication.txtobserved ed0c7644152b5318f9cc6adc9cc1158c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:46.559765Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020720observed e857c37d18bb4e324be5cbb677a37ac0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:46.542799Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020720/manifest.jsonobserved f18e4401c22b9e54ea96580f75382fa9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:46.526264Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020720/publication.mdobserved b74564e140def8bc3f465603ce6d1419...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:46.509325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020720/publication.txtobserved ed0c7644152b5318f9cc6adc9cc1158c...fetched by instance-3.rotem.ai from 34.69.0.72, 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. |
|---|