OT-2026-000078352
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000078352) never changes.
Identity and time
| Publication number | OT-2026-000078352 · never reused |
|---|---|
| Internal UUID | 01a0ae95-7c27-7d28-a024-2107cc8c0f15 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:07.483031Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078352 |
| Status | PUBLIC |
Content hashes
| Canonical text | c63f48d63f14a644b25827bd5df30ecfdac64536656d0947dda6b0d2dada7464 |
|---|---|
| Markdown | 3dd457b1de8b24fbeff26a1875cacc162a227a5f235f50091bb58c43f701f247 |
| Publication page | daee905f77d19240f824a934232edf168f22b140a846cf62e069f201d89398e1 |
| Manifest | 370ed5dd174fce613f5ebd58342e13c3f4a1730454203d6820fdf0652daf3dc2 |
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 | f6PZKpcWgWQWf2K5Uq+syjbb80b9XJZwU4siy1un2okubel2cE/2fyKC7BEw/ExN3krvQobxACYu1UIyff0iDg== |
| 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
| 2026-10-29T04:41:05.317313Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078352observed daee905f77d19240f824a934232edf16...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T04:41:05.247878Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078352/manifest.jsonobserved 370ed5dd174fce613f5ebd58342e13c3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:41:02.637218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078352/publication.mdobserved 3dd457b1de8b24fbeff26a1875cacc16...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:41:02.551929Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078352/publication.txtobserved c63f48d63f14a644b25827bd5df30ecf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T20:41:15.378103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078352observed daee905f77d19240f824a934232edf16...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T20:41:15.329208Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078352/manifest.jsonobserved 370ed5dd174fce613f5ebd58342e13c3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T20:41:15.275107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078352/publication.mdobserved 3dd457b1de8b24fbeff26a1875cacc16...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T20:41:15.207948Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078352/publication.txtobserved c63f48d63f14a644b25827bd5df30ecf...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 |
|---|