OT-2026-000031980
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000031980) never changes.
Identity and time
| Publication number | OT-2026-000031980 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-73f6-a49b-e49ca5d89e33 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031980 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7a17cea585563e54d1a6157c69b38d05d9d54cf7f4e1e66a46228cd86c665037 |
|---|---|
| Markdown | 34328bf5bb8e9aaf37ed1e859e8f49075bb7ff3fd8ff1df17cd77fc81978cb04 |
| Publication page | 77e994d82ecc33862712c59c587c6e2586ee0ec9b6b57ed08ac81a51ced98cd8 |
| Manifest | c00d81ce730de26b486394b3b4823c6dd647e7ac8bee2b2232331108b7da711f |
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 | 9f8Nk7WNr0xAfJIdbxYb4WcMSxn+SiLOscm+W735482tZOITr8C8jeZLsVtoq2JKTjN5QUZu8U/qzy89I+0KDg== |
| 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
| 2026-09-17T11:35:16.601135Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031980observed 77e994d82ecc33862712c59c587c6e25...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:16.583272Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031980/manifest.jsonobserved c00d81ce730de26b486394b3b4823c6d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:16.566688Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031980/publication.mdobserved 34328bf5bb8e9aaf37ed1e859e8f4907...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:16.545626Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031980/publication.txtobserved 7a17cea585563e54d1a6157c69b38d05...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. |
|---|