OT-2026-000023782
Publication integrity record
Foam pad vacuum gripper, single stage ejector, 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-2026-000023782) never changes.
Identity and time
| Publication number | OT-2026-000023782 · never reused |
|---|---|
| Internal UUID | 01a0ae70-aed5-78f8-9e0d-7d9ce4d779f1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:55.528856Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000023782 |
| Status | PUBLIC |
Content hashes
| Canonical text | 339e971d1068da2b32ef22f8012c89aa60eab6378458f36e1456dcfd1a29d18e |
|---|---|
| Markdown | bf728c8940740092eb40bf610466b4924c9a0cc43935e1fa80c96acaba76acad |
| Publication page | d2af50a8263411910184c751f47562d55dc4c64cc3099b4fc1d99a6cc9b46cdf |
| Manifest | dd6d5044d6a92503ce633477e22b2fd70cb7151c1f3277f33dfa465738e3c657 |
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 | kbbyN6kUhC/s5rN4TWiMcOVKrHd2MH3aZ6+Cuk8j5359IlIhAv5m+hYrXgRLZpeaCicuIa0NFc2t9Pud+nXWCg== |
| 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
| 2026-09-17T16:41:21.385880Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023782observed d2af50a8263411910184c751f47562d5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T16:41:21.213434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023782/manifest.jsonobserved dd6d5044d6a92503ce633477e22b2fd7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:41:20.967173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023782/publication.mdobserved bf728c8940740092eb40bf610466b492...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:41:20.713623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023782/publication.txtobserved 339e971d1068da2b32ef22f8012c89aa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:15.229718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023782observed d2af50a8263411910184c751f47562d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:15.209118Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023782/manifest.jsonobserved dd6d5044d6a92503ce633477e22b2fd7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:15.187658Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023782/publication.mdobserved bf728c8940740092eb40bf610466b492...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:15.168676Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023782/publication.txtobserved 339e971d1068da2b32ef22f8012c89aa...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. |
|---|