OT-2026-000008305
Publication integrity record
Foam pad vacuum gripper, plant vacuum fed, supply line 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-2026-000008305) never changes.
Identity and time
| Publication number | OT-2026-000008305 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-908e-71b2-98a9-953e074eeac4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:14.564317Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000008305 |
| Status | PUBLIC |
Content hashes
| Canonical text | 68d31a43aeaf10d962578c398eda91b7105b2414d3c620afc00fd73c2147fe4f |
|---|---|
| Markdown | 6201f06654f8d7e376ac204e40705139edcae06ce267e4b1c472bb3ce81716af |
| Publication page | 8af52ef4a8c0b0be9e66d1dd891c415952d2d243266411ade25ec5a4be42831d |
| Manifest | 03ce280013e36e076527d403c37558e84bd45e9003d0d9ba33b5cfb5dcd8cb87 |
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 | kCmJV05meaMkDFA4n8DKidtXg+geI6fnSKQVBoJoz9BhmW2wFmK2thWOH1bCoMTy9GHzg34Qiju+fPv6gXFEDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-10-29T04:41:32.013105Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008305observed 8af52ef4a8c0b0be9e66d1dd891c4159...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T04:41:31.938617Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008305/manifest.jsonobserved 03ce280013e36e076527d403c37558e8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:41:31.870922Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008305/publication.mdobserved 6201f06654f8d7e376ac204e40705139...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:41:31.808857Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008305/publication.txtobserved 68d31a43aeaf10d962578c398eda91b7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T00:41:53.215908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008305observed 8af52ef4a8c0b0be9e66d1dd891c4159...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T00:41:53.165086Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008305/manifest.jsonobserved 03ce280013e36e076527d403c37558e8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T00:41:53.115809Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008305/publication.mdobserved 6201f06654f8d7e376ac204e40705139...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T00:41:53.058837Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008305/publication.txtobserved 68d31a43aeaf10d962578c398eda91b7...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 |
|---|