OT-2026-000031662
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000031662) never changes.
Identity and time
| Publication number | OT-2026-000031662 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad0-7298-826b-5d741bae2ba0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031662 |
| Status | PUBLIC |
Content hashes
| Canonical text | a16f8a9e25491e515d5b2401226584ede13b4ac680306b34a2162e10e8b13993 |
|---|---|
| Markdown | 2477d175338e31e152190dd7d220a3ca00889f7ac91f1fc65cdd08a88e7b74c0 |
| Publication page | 78ca10abf5d5e7cfcbeca71a25ae400e00116830d2b95bacdd836a7da53c4b71 |
| Manifest | 426858cd8f5457c189e93667a54cb69cd741815edcf84e7e8433073bcbf2e099 |
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 | pPhyF7ovmaeHWTf/kORkGpoSzyh0rCKG+qbG1ya2DkqC46+rOf+Ub//4qW9IBAYcqSQv0rw7fx/1Wm6hH2oVCA== |
| 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
| 2026-10-17T16:41:41.282092Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031662observed 78ca10abf5d5e7cfcbeca71a25ae400e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T16:41:41.199794Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031662/manifest.jsonobserved 426858cd8f5457c189e93667a54cb69c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T16:41:41.111044Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031662/publication.mdobserved 2477d175338e31e152190dd7d220a3ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T16:41:40.994906Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031662/publication.txtobserved a16f8a9e25491e515d5b2401226584ed...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:42:00.094168Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031662observed 78ca10abf5d5e7cfcbeca71a25ae400e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:42:00.026405Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031662/manifest.jsonobserved 426858cd8f5457c189e93667a54cb69c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:59.946844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031662/publication.mdobserved 2477d175338e31e152190dd7d220a3ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:59.779621Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031662/publication.txtobserved a16f8a9e25491e515d5b2401226584ed...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 |
|---|