OT-2026-000075163
Publication integrity record
Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000075163) never changes.
Identity and time
| Publication number | OT-2026-000075163 · never reused |
|---|---|
| Internal UUID | 01a0ae93-f1ff-76b3-9d64-8be2101f88c7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:26.476108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075163 |
| Status | PUBLIC |
Content hashes
| Canonical text | c881bbf156ff1ad52d0f70ecbe6c13d230ff26f2e77a8bae9371ab01af612dc7 |
|---|---|
| Markdown | a6f3f3672910b4566077defb6ce9a6d917949062ca77bae5c974c622d2ea1d17 |
| Publication page | fa812e4d15b234e1648c097ee0f5a81b4b8c719bf5c338d8899be30c123d999a |
| Manifest | 6afa7d9ad745bc2b3b75fd3aa0b73f3305d2761c82c1fe524144fb09979d1fc0 |
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 | 4FWKZy25UX+HOLetaAQQLl/ZYAhKJwUwfRibRZaVMgH250TMKV8qSj7AvLpNymerytWFlhnbafpocVrsGH8sDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
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Independent retrieval
| 2026-10-18T20:41:22.570507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075163observed fa812e4d15b234e1648c097ee0f5a81b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-18T20:41:22.512074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075163/manifest.jsonobserved 6afa7d9ad745bc2b3b75fd3aa0b73f33...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T20:41:22.388545Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075163/publication.mdobserved a6f3f3672910b4566077defb6ce9a6d9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T20:41:22.203887Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075163/publication.txtobserved c881bbf156ff1ad52d0f70ecbe6c13d2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T08:41:11.197330Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075163observed fa812e4d15b234e1648c097ee0f5a81b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T08:41:11.149825Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075163/manifest.jsonobserved 6afa7d9ad745bc2b3b75fd3aa0b73f33...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T08:41:11.103093Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075163/publication.mdobserved a6f3f3672910b4566077defb6ce9a6d9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T08:41:11.018844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075163/publication.txtobserved c881bbf156ff1ad52d0f70ecbe6c13d2...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|