OT-2026-000031788
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000031788) never changes.
Identity and time
| Publication number | OT-2026-000031788 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad1-7f3a-9c58-fd7edb97d777 · 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-2026-000031788 |
| Status | PUBLIC |
Content hashes
| Canonical text | f94dedfa812f9fe10e0d0add2aaad1dd7487f50a6c922b5d5131f1f09628d423 |
|---|---|
| Markdown | 371c47e23a1ce3bccc317a8b6c1c8d536d01f65d72852ca22f24db239246d570 |
| Publication page | cd58914455428c0bf527c0f74a6f9d1ed7b8c18b95673b6efe19ab9767eb9f31 |
| Manifest | dca4899ac08457c5e60b547d04332fcd168a7ce2970e469ba4472c6c4c27cca3 |
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 | pTc1aSoZwoiE7e98/Y+fIgpWOLlfzyVq39WNdOcvK6Yr7j+RPhVfkvPxS4ztFz0SwxrMRYlSMIH/dHbDPHz8Bw== |
| 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
| 2026-09-17T11:34:55.071418Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031788observed cd58914455428c0bf527c0f74a6f9d1e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:34:55.054653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031788/manifest.jsonobserved dca4899ac08457c5e60b547d04332fcd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:55.038655Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031788/publication.mdobserved 371c47e23a1ce3bccc317a8b6c1c8d53...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:55.020788Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031788/publication.txtobserved f94dedfa812f9fe10e0d0add2aaad1dd...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. |
|---|