OT-2026-000031410
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000031410) never changes.
Identity and time
| Publication number | OT-2026-000031410 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ad-7e8b-8565-d70b39c87ae4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031410 |
| Status | PUBLIC |
Content hashes
| Canonical text | 098943d317ebea1bb57e8abd790623ef43c18e2d2d3a0f99a095e34869e82490 |
|---|---|
| Markdown | d422bcf6e9c2b5605bfc50b4d69f2b60b37abce80cfb3a87570e4de21ce9b45e |
| Publication page | fe21d8ddc7f35d64749062271feee94bf4a5863f5bb1a1956d7eee0ad3fc3de6 |
| Manifest | 410cc17333d02064d05a6e73606cface3d5135a48a09dd6d73ec804700a39749 |
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 | rCtKnxLURcix078Q5h/UjNDSfFQcwuomMwiUMYYdxDqUdvI5KtASU/lgsQHupwpwsO2w8SnPS822Vs4iCPOmAg== |
| 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
| 2026-10-17T04:41:42.258806Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031410observed fe21d8ddc7f35d64749062271feee94b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T04:41:42.206960Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031410/manifest.jsonobserved 410cc17333d02064d05a6e73606cface...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:41:42.099126Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031410/publication.mdobserved d422bcf6e9c2b5605bfc50b4d69f2b60...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:41:41.984799Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031410/publication.txtobserved 098943d317ebea1bb57e8abd790623ef...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:41:17.425499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031410observed fe21d8ddc7f35d64749062271feee94b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:41:17.289673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031410/manifest.jsonobserved 410cc17333d02064d05a6e73606cface...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:41:17.120338Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031410/publication.mdobserved d422bcf6e9c2b5605bfc50b4d69f2b60...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:41:16.830276Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031410/publication.txtobserved 098943d317ebea1bb57e8abd790623ef...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 |
|---|