OT-2026-000053541
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000053541) never changes.
Identity and time
| Publication number | OT-2026-000053541 · never reused |
|---|---|
| Internal UUID | 01a0ae85-0a92-73c1-a411-2d00aee775ef · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:09.762364Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053541 |
| Status | PUBLIC |
Content hashes
| Canonical text | bb130a72092588fe88772d4cc51d54a508bfc9f3655f97d56445f061e56c0e99 |
|---|---|
| Markdown | 48821cdf2e953606afd7494fa3d46f20ce271c51b546001c3d66889220f55fe6 |
| Publication page | 7f946f94bf19e9529731dc3889537ff26f6f1647d456d3489d50aa2491e5bf32 |
| Manifest | bd5fae5f37908f915d4fe4d5ee0ffae6703514c7d58bf5c067a9a961d1d28089 |
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 | A7yGlSLp1pBUill5KLk9eXeqz066VccZ9xnAKWiwwWD7bzve+IgKGXTmABsh8xnNyHxSGXi8jbW9snwBCbbMDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:55:23.706360Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053541observed 7f946f94bf19e9529731dc3889537ff2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:23.687672Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053541/manifest.jsonobserved bd5fae5f37908f915d4fe4d5ee0ffae6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:23.670363Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053541/publication.mdobserved 48821cdf2e953606afd7494fa3d46f20...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:23.643632Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053541/publication.txtobserved bb130a72092588fe88772d4cc51d54a5...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. |
|---|