OT-2026-000074679
Publication integrity record
Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000074679) never changes.
Identity and time
| Publication number | OT-2026-000074679 · never reused |
|---|---|
| Internal UUID | 01a0ae93-ac2b-7e82-add7-710a664ffebf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:08.693295Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074679 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7317dccf92e0f78910494dc1b7f845d351f684231b001b8b8d8299a972abd94b |
|---|---|
| Markdown | 32f42b408902d74cf82ffca5556bb09443a9e23725ac9b8439a16c1fb934b9e0 |
| Publication page | c32cf6ba612da1828229c926ab1222a9abb161afeaa29138e1496856e5547a13 |
| Manifest | 12bb28742f0d2237d381818ac2ef2e1547e8c8275a59ed9eedaa534f3e493d86 |
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 | PrUcA3Zkt76lFGyZlFaTvlh8hYjMy46RYFaIrt6nm5XWqzJfm+T5+t1O75WrbYAYXUUwvPY+aFsmKJkeiIrUBQ== |
| 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... |
|---|
Independent retrieval
| 2026-10-27T08:41:27.999384Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074679observed c32cf6ba612da1828229c926ab1222a9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-27T08:41:27.936220Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074679/manifest.jsonobserved 12bb28742f0d2237d381818ac2ef2e15...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T08:41:27.826684Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074679/publication.mdobserved 32f42b408902d74cf82ffca5556bb094...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T08:41:27.506556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074679/publication.txtobserved 7317dccf92e0f78910494dc1b7f845d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T16:41:19.714226Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074679observed c32cf6ba612da1828229c926ab1222a9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T16:41:19.622546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074679/manifest.jsonobserved 12bb28742f0d2237d381818ac2ef2e15...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T16:41:19.548446Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074679/publication.mdobserved 32f42b408902d74cf82ffca5556bb094...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T16:41:19.392456Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074679/publication.txtobserved 7317dccf92e0f78910494dc1b7f845d3...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 |
|---|