OT-2026-000023725
Publication integrity record
Single cup vacuum gripper, 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-2026-000023725) never changes.
Identity and time
| Publication number | OT-2026-000023725 · never reused |
|---|---|
| Internal UUID | 01a0ae70-aed4-7bd4-a4c2-6172957f0f4e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:55.528856Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000023725 |
| Status | PUBLIC |
Content hashes
| Canonical text | 649629d583cf8327d1a00e9b5bfe035b1bae4bf9bb787d5dc776c8eb92e02481 |
|---|---|
| Markdown | 0771df87ed84b2b71b55f43b32faed12fce20c94ccc12f4ed83ee870c2437871 |
| Publication page | 70c85fd128a04f27c5bdbb985e7584667d6b221a2ee22f4d801a48b17a3fc86d |
| Manifest | a5cc4e143197712d2f43a36f9af373da69508d9734b813914c55cf2b4d0f10a4 |
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 | 4qhJUQxpvOfetTu9Jbwz+D4iRf4t1Mh4Xjo/JAYLO5dYHQZQ6iiS8+VRpKPY/mUCBTi1CHk1AcOqs0Q0KKcEDQ== |
| 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
| 2026-09-17T11:50:04.078253Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023725observed 70c85fd128a04f27c5bdbb985e758466...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:50:04.058392Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023725/manifest.jsonobserved a5cc4e143197712d2f43a36f9af373da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:04.039733Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023725/publication.mdobserved 0771df87ed84b2b71b55f43b32faed12...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:04.019858Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023725/publication.txtobserved 649629d583cf8327d1a00e9b5bfe035b...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. |
|---|