OT-2026-000021935
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000021935) never changes.
Identity and time
| Publication number | OT-2026-000021935 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-72fa-9ab5-d58249dfc8b1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021935 |
| Status | PUBLIC |
Content hashes
| Canonical text | cc7e61fae3b06b47d0742f917173f8b9bd59c5991608465c5e75b7f36ec9e315 |
|---|---|
| Markdown | 6c41f973de1a7c428312432184fd2a0b79527f6d0777da16389745d6c9dc0b9b |
| Publication page | 371160b3523b050ff276f397aae7c0329a0c53dbc0a310aa674c3bc78f291fd5 |
| Manifest | 26337c5e53ecd848fee946b803eb91f3af9ab4e352fef8c52e0e0d35b2870a3c |
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 | XAi//gAUacyxSZH+UWFxn8c3tvhkeyUbkNZYwMk+W+QpS1nTg2mgeVCogTm6RZiRYaTA63zmB0pKTu5ME2q0AQ== |
| 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
| 2026-09-17T11:54:35.930477Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021935observed 371160b3523b050ff276f397aae7c032...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:35.910281Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021935/manifest.jsonobserved 26337c5e53ecd848fee946b803eb91f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:35.891807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021935/publication.mdobserved 6c41f973de1a7c428312432184fd2a0b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:35.871681Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021935/publication.txtobserved cc7e61fae3b06b47d0742f917173f8b9...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. |
|---|