OT-2026-000083171
Publication integrity record
Foam pad vacuum gripper, two zone face, pump fed, sustained 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-2026-000083171) never changes.
Identity and time
| Publication number | OT-2026-000083171 · never reused |
|---|---|
| Internal UUID | 01a0ae97-c962-7e4e-ab1e-a40d3da50753 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:59:38.321156Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000083171 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8d026b8803940a4eb3af0e15b04ef16017f8afd5e3da1a2e244934248ce945e5 |
|---|---|
| Markdown | 22041f5a848e6ecd3ca5df92c85e78f1474dee0da7b72ae707afa6caabcf5559 |
| Publication page | 67daeafe79ab3dcd67af3438774dee72b8c8148326df0a96530a36a9ae225db7 |
| Manifest | 49b653a216eef9bf4abb54bed05025f536bc2d683f6a5b66d6d2620691664a88 |
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 | tD46FsW10lNIN4squP6nOnftgEyHwvwDsjsMas3KtnwB44qmB4hH9c5aFLKrJYp1osbpNvA5Zb/+oWWDVU9KBg== |
| 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
| 2026-09-17T09:00:57.846704Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083171observed 67daeafe79ab3dcd67af3438774dee72...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:00:57.828239Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083171/manifest.jsonobserved 49b653a216eef9bf4abb54bed05025f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:00:57.808825Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083171/publication.mdobserved 22041f5a848e6ecd3ca5df92c85e78f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:00:57.416973Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083171/publication.txtobserved 8d026b8803940a4eb3af0e15b04ef160...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. |
|---|