OT-2026-000008687
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000008687) never changes.
Identity and time
| Publication number | OT-2026-000008687 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-e46c-7a7c-ae77-6c87a6c48277 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:36.030441Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000008687 |
| Status | PUBLIC |
Content hashes
| Canonical text | 87e7d234d084b25590155b746b6042fdfae538ec753e1ec2ce77441334a43841 |
|---|---|
| Markdown | 98192b2ad0dd47f8a5a035878a1584f281d415203abeb2ea576031574ea38a09 |
| Publication page | a5ddecbc43dbb382f630c2f51457633b68c55cb97bdfcd3f71a219a45be58edc |
| Manifest | 9a472b78e697c36a1e4a89105b0fdb63d20bb2b36abc2df07ad9964ed5a4b813 |
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 | JF4p2wGmQz5l4MkvFxf+eYEYkcKQGiM908lp5+f1yCCPC0UMuS6pwjjx4das73sXyW9nOtFWeHRHhBzaev9TBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-10-24T12:41:45.440129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008687observed a5ddecbc43dbb382f630c2f51457633b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T12:41:45.371563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008687/manifest.jsonobserved 9a472b78e697c36a1e4a89105b0fdb63...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T12:41:45.298679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008687/publication.mdobserved 98192b2ad0dd47f8a5a035878a1584f2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T12:41:45.114103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008687/publication.txtobserved 87e7d234d084b25590155b746b6042fd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:42:09.676452Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008687observed a5ddecbc43dbb382f630c2f51457633b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:42:09.597047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008687/manifest.jsonobserved 9a472b78e697c36a1e4a89105b0fdb63...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:42:09.490732Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008687/publication.mdobserved 98192b2ad0dd47f8a5a035878a1584f2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:42:09.407468Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008687/publication.txtobserved 87e7d234d084b25590155b746b6042fd...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 |
|---|