OT-2026-000021200
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000021200) never changes.
Identity and time
| Publication number | OT-2026-000021200 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865b-7aa0-9b97-6fff05ee7f5d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021200 |
| Status | PUBLIC |
Content hashes
| Canonical text | bf02c21dd77178a99c9e3f1601dabc3d689c95b8b49ebd349cb49f0fd3e718ee |
|---|---|
| Markdown | 25a690508176657da9c7074be64e9b8ebd857a0059f9bf044c45220a6a81fc65 |
| Publication page | 63945f122f379c64a5f14c9393774e5cb1c66005e4aebd9b6a305f77a21407af |
| Manifest | b4c45d96cabf080e1d87c512e8a143c287411a32831995d78bdebf82e81ae8f7 |
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 | uaB9BcshAMeUun6BM6QTft6iEK/VuK2fPvlECyZR3sKcPDzkif04jJJaUZy0VdE9nkFOUC/ZZpCMnxb6M6S2BA== |
| 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
| 2026-09-17T11:54:59.752845Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021200observed 63945f122f379c64a5f14c9393774e5c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:59.735073Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021200/manifest.jsonobserved b4c45d96cabf080e1d87c512e8a143c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:59.719214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021200/publication.mdobserved 25a690508176657da9c7074be64e9b8e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:59.700523Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021200/publication.txtobserved bf02c21dd77178a99c9e3f1601dabc3d...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. |
|---|