OT-2026-000006704
Publication integrity record
Vacuum cup gripper, common isolation valve, pump fed, vented after set down, rubber cups
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-2026-000006704) never changes.
Identity and time
| Publication number | OT-2026-000006704 · never reused |
|---|---|
| Internal UUID | 01a0a964-8b52-7d65-97cc-f005ae9ee2d5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:45:33.909224Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006704 |
| Status | PUBLIC |
Content hashes
| Canonical text | 562ba5c9af422f95ddcb3ee007a02989a4f470ea7791102acbfbf2d3d68dfe5d |
|---|---|
| Markdown | 4075ffe27683c1b42df3dd44e775e868d9ccf181788700c7ceda34bffd147f22 |
| Publication page | 46cb39ec99b9cd894c1d039af3614ca66c644e7d54fa70fe013de29707031b97 |
| Manifest | fe84b00892bfe13e4670ad2f302ed32134059a38266d14feabcdedec57f28590 |
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 | VT9V4vYMd1umxJ113UV23CQOYOTbO+/EXJkE+tm8wF9TLBSn7entMLvin9Qzpe2SMwmzlQY16w0O/EjJt5loDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T16:41:52.147659Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006704observed 46cb39ec99b9cd894c1d039af3614ca6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T16:41:52.023477Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006704/manifest.jsonobserved fe84b00892bfe13e4670ad2f302ed321...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:41:51.874043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006704/publication.mdobserved 4075ffe27683c1b42df3dd44e775e868...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:41:51.727579Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006704/publication.txtobserved 562ba5c9af422f95ddcb3ee007a02989...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:15.422568Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006704observed 46cb39ec99b9cd894c1d039af3614ca6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:15.408862Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006704/manifest.jsonobserved fe84b00892bfe13e4670ad2f302ed321...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:15.394608Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006704/publication.mdobserved 4075ffe27683c1b42df3dd44e775e868...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:15.379835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006704/publication.txtobserved 562ba5c9af422f95ddcb3ee007a02989...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. |
|---|