OT-2026-000083813
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, sustained blow-off before set-down
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-2026-000083813) never changes.
Identity and time
| Publication number | OT-2026-000083813 · never reused |
|---|---|
| Internal UUID | 01a0ae98-0418-7491-81c0-baa830b83560 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:59:53.320528Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000083813 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7f3c2c18ba40541a1788128c8cd77989758c3d360c2d555263e5693181d05213 |
|---|---|
| Markdown | f72cf51f2ac4d97bf00b16e23a25d51e176c8ea72735118d0b6f101bf0af2f3e |
| Publication page | cef559976611300f2513ac382ff9b138ca629784bd8484f4efa9c53dcc871003 |
| Manifest | a21697a3b03f3b3f506f2614fe8843816b319aa6976f84fc13ff0af6f1b38110 |
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 | t1HES7CRLARY/g1RDgufrClydW7OE0yahmf5z3EtzDPGdu65c7uTTfuzIw1v626vXpXWSt0cas1ZN5wjtOoTDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
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Independent retrieval
| 2026-10-28T20:41:49.139441Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083813observed cef559976611300f2513ac382ff9b138...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T20:41:49.074756Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083813/manifest.jsonobserved a21697a3b03f3b3f506f2614fe884381...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T20:41:49.005952Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083813/publication.mdobserved f72cf51f2ac4d97bf00b16e23a25d51e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T20:41:48.939650Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083813/publication.txtobserved 7f3c2c18ba40541a1788128c8cd77989...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:23:12.355704Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083813observed cef559976611300f2513ac382ff9b138...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:23:12.340361Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083813/manifest.jsonobserved a21697a3b03f3b3f506f2614fe884381...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:23:12.314701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083813/publication.mdobserved f72cf51f2ac4d97bf00b16e23a25d51e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:23:12.286971Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083813/publication.txtobserved 7f3c2c18ba40541a1788128c8cd77989...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
| 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 |
|---|