OT-2026-000021302
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000021302) never changes.
Identity and time
| Publication number | OT-2026-000021302 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-7884-a0a9-9b354e3a6ef2 · 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-2026-000021302 |
| Status | PUBLIC |
Content hashes
| Canonical text | c73f573cc0386be46d38dfc4f87bdf424de715e2c4ffd65afb74d035ea354d05 |
|---|---|
| Markdown | 5b77dab5bec47855b33a7f0895a273aaf1fd944cd4d8e365cdd2b8a6ac301e97 |
| Publication page | 8542bd6b504bd55ade6db94fa8bf9e553c12afb0946be0b2bd08a459bb5515a9 |
| Manifest | ed11ca9cf0e13aeb7ff6f2c616580d90ff41e5178bd760c1eeb294d241e338e3 |
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 | 2p0wSEaGamv/H9kBTVwFoaVDms2YQn36p6PdkGcUmbttl+L3OlneR+VaEKD+jOUiNUVtmrp6ZvzPfmq/iSnwAw== |
| 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
| 2026-09-17T11:55:08.687333Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021302observed 8542bd6b504bd55ade6db94fa8bf9e55...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:08.661926Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021302/manifest.jsonobserved ed11ca9cf0e13aeb7ff6f2c616580d90...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:08.636447Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021302/publication.mdobserved 5b77dab5bec47855b33a7f0895a273aa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:08.614771Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021302/publication.txtobserved c73f573cc0386be46d38dfc4f87bdf42...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. |
|---|