OT-2026-000031228
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000031228) never changes.
Identity and time
| Publication number | OT-2026-000031228 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ab-7bc5-860e-101f61be2e15 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031228 |
| Status | PUBLIC |
Content hashes
| Canonical text | c90e106d53854141d992e04c4aef7189ab7253942f393cd414c449cc803a51a3 |
|---|---|
| Markdown | f5e0cc22371119c5dbc777a14268e61bf7eb638325a96b07492fac68fb6141c6 |
| Publication page | d2164bbabf2b224a3a93b70a52e56cf6fb68c217b3de96acee5670c05b6a5e3b |
| Manifest | 174c578becfbceeb984b568a04dd5ce9f42ec278fdc1f6ac87dfc27045d70a32 |
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 | Acip7RN0jsUJWeFk8HutQF3uN5Gj9dtILib6aQO55Wf8TiWXMGLCoOzvTE46bPZL6ltANsMs6BCuJbPW24odCw== |
| 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
| 2026-09-17T11:35:47.839829Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031228observed d2164bbabf2b224a3a93b70a52e56cf6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:47.823069Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031228/manifest.jsonobserved 174c578becfbceeb984b568a04dd5ce9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:47.804925Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031228/publication.mdobserved f5e0cc22371119c5dbc777a14268e61b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:47.788675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031228/publication.txtobserved c90e106d53854141d992e04c4aef7189...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. |
|---|