OT-2026-000031090
Publication integrity record
Foam pad vacuum gripper, three stage ejector, pulsed blow-off after 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-2026-000031090) never changes.
Identity and time
| Publication number | OT-2026-000031090 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb8-7d87-825e-b16cd1dcb1de · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031090 |
| Status | PUBLIC |
Content hashes
| Canonical text | 30b2c82ae934b7750a263034cfd681d801aade35332bd8c87b4410e011334b77 |
|---|---|
| Markdown | 7a48644c0f43dad1de3ef89a5af15be78275e322515d0078e5ca0d52b65477c1 |
| Publication page | f7b0b038de9b0bc91b0ff351169f30ed46178a87834a80ec70906c8d17080759 |
| Manifest | 7af1bb2c25bcdca8134bedc10433b64821f0d4b1a2dc8f95d741ee2dad549d1f |
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 | rqvuCbrje/u/pVnrGvtziBd6UqgdhPkMyRtd5JYKht/JNKnQr6cH1jmZGrOB4nkYFbZpKZmmvje12L2vs8B7Dw== |
| 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
| 2026-09-17T11:40:18.800623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031090observed f7b0b038de9b0bc91b0ff351169f30ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:18.777515Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031090/manifest.jsonobserved 7af1bb2c25bcdca8134bedc10433b648...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:18.754631Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031090/publication.mdobserved 7a48644c0f43dad1de3ef89a5af15be7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:18.735905Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031090/publication.txtobserved 30b2c82ae934b7750a263034cfd681d8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:40.821313Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031090observed f7b0b038de9b0bc91b0ff351169f30ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:40.804531Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031090/manifest.jsonobserved 7af1bb2c25bcdca8134bedc10433b648...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:40.788477Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031090/publication.mdobserved 7a48644c0f43dad1de3ef89a5af15be7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:40.770653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031090/publication.txtobserved 30b2c82ae934b7750a263034cfd681d8...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. |
|---|