OT-2026-000029956
Publication integrity record
Single bellows cup vacuum gripper, 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-2026-000029956) never changes.
Identity and time
| Publication number | OT-2026-000029956 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac48-7057-b643-a54fb1348f89 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029956 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8d5624778d01d056132adcfa8566dcebfacd46f1c39eea162dc20f852a5a92c0 |
|---|---|
| Markdown | 1adca52016f59117748986f91b54213ab3919111706c4f157a187851f59f7832 |
| Publication page | 8cca23ce6f7bff71025fcb59e3638fea866daff4457be9759c444fefd4a5b92f |
| Manifest | 8ada32744ac6c7188178d77eb1b5c84f4a641809594d4421b62b3adfa0e6ab9f |
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 | ZhShTOaZ8s+nmGRok3tlkQs4UIvb+PcJ+S5hKe2RNRxKkhywSutZmeDbaDE2WqydBQvD4pSgazpPQzTuAmb4CQ== |
| 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
| 2026-09-17T11:38:40.285133Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029956observed 8cca23ce6f7bff71025fcb59e3638fea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:40.268101Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029956/manifest.jsonobserved 8ada32744ac6c7188178d77eb1b5c84f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:40.249849Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029956/publication.mdobserved 1adca52016f59117748986f91b54213a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:40.233174Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029956/publication.txtobserved 8d5624778d01d056132adcfa8566dceb...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. |
|---|