OT-2026-000005770
Publication integrity record
Vacuum cup gripper, three zone face, pump fed, contact triggered, rubber cups, oval form
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-2026-000005770) never changes.
Identity and time
| Publication number | OT-2026-000005770 · never reused |
|---|---|
| Internal UUID | 01a0a944-44e1-76ec-8941-547dfbbe63e1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:10:18.723807Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005770 |
| Status | PUBLIC |
Content hashes
| Canonical text | b614be708b1b677732357a25e41b8b8430af1674a2160b056451f451182d0064 |
|---|---|
| Markdown | fa8979f3802875c6690848b04fbda5594f55031ad8edc1892c4883fe066aa804 |
| Publication page | 4fa4ed55584ff575c12122432936bf0ed5814808bee96f3ef5832e94942d7787 |
| Manifest | 7181e689cccad30f1c65d81b856434d28142d4c095d493b74eee7204cd5db138 |
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 | 2NKj17kUacE9ie28fJEdrlG4oByaN/BWCr/+9odKz/XHHTNAf6exn8ofKNW52JlxN54QIg+F2F5PasveeYu5BQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:27:03Z batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof root dbe93cb6b2158496df2f60f3b6822537... |
|---|
Independent retrieval
| 2026-10-12T00:42:21.883204Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005770observed 4fa4ed55584ff575c12122432936bf0e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-12T00:42:21.780723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005770/manifest.jsonobserved 7181e689cccad30f1c65d81b856434d2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T00:42:21.660250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005770/publication.mdobserved fa8979f3802875c6690848b04fbda559...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T00:42:21.522985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005770/publication.txtobserved b614be708b1b677732357a25e41b8b84...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:05.112433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005770observed 4fa4ed55584ff575c12122432936bf0e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:05.065258Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005770/manifest.jsonobserved 7181e689cccad30f1c65d81b856434d2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:05.014929Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005770/publication.mdobserved fa8979f3802875c6690848b04fbda559...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:04.940713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005770/publication.txtobserved b614be708b1b677732357a25e41b8b84...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 |
|---|