OT-2026-000013728
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum 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-2026-000013728) never changes.
Identity and time
| Publication number | OT-2026-000013728 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8de8-7f2f-ac5f-6fab0781c576 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013728 |
| Status | PUBLIC |
Content hashes
| Canonical text | c223ff5dd953763a7e222837ed2dcdd0ae47348ae27ef873be43750804e262f9 |
|---|---|
| Markdown | aa672e014a4197dcb4e358784a0a71d4fa4cf8caa091c24f77a8532719fb2d4a |
| Publication page | 2f525331a2ef901c9fc590bf24934d29855124e9e7dc20e9219894c0ed64ccd5 |
| Manifest | 0ec4a88627e07ef59a81b1e776fbc2b7dc16dc381bc6a9af6000defdac2a487c |
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 | DvsssrXgfnYk/gQXTwEtw+yzKkCnJ83XNvp8sj7mw4/AnPfCBhtVjIo/oUmvSUYUvyPlvPDcKOWToIigL8KCDw== |
| 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
| 2026-09-17T12:08:41.613768Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013728observed 2f525331a2ef901c9fc590bf24934d29...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:08:41.595615Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013728/manifest.jsonobserved 0ec4a88627e07ef59a81b1e776fbc2b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:41.576492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013728/publication.mdobserved aa672e014a4197dcb4e358784a0a71d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:41.558268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013728/publication.txtobserved c223ff5dd953763a7e222837ed2dcdd0...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. |
|---|