OT-2026-000087753
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, supply line pressure sensor, sustained 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-2026-000087753) never changes.
Identity and time
| Publication number | OT-2026-000087753 · never reused |
|---|---|
| Internal UUID | 01a0ae9b-1aa4-7d24-a051-2f76335926ec · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:03:15.638297Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087753 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2eea0c0f57295cd005f6cc5d180b0c02558824e6f437efcb756a5e9c1ed3205e |
|---|---|
| Markdown | 03e14151a30abeeb46fd5f135ab12a07bc47f664d2c2b2233f0334674e226f81 |
| Publication page | 800d13226667242dff985741fdf086471f3b5d289f28a127e8e07c4ba5e65a50 |
| Manifest | fe86733b7a5a6866be6d13bcdc94fc7cf08964e24ad9364721f409be7a6e2ba1 |
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 | 8cVBa0U/WLC8aB4mQp0MWwIJqcVBQ8iJQd0ZsoSvuveHXqJqV5O/S16umGq8+jNVtnsozRymgc3fgI0mFljBBA== |
| 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
| 2026-10-02T00:41:59.073844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087753observed 800d13226667242dff985741fdf08647...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-02T00:41:59.001849Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087753/manifest.jsonobserved fe86733b7a5a6866be6d13bcdc94fc7c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:58.894918Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087753/publication.mdobserved 03e14151a30abeeb46fd5f135ab12a07...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:58.768930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087753/publication.txtobserved 2eea0c0f57295cd005f6cc5d180b0c02...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T16:41:06.617152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087753observed 800d13226667242dff985741fdf08647...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T16:41:06.491680Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087753/manifest.jsonobserved fe86733b7a5a6866be6d13bcdc94fc7c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T16:41:06.436062Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087753/publication.mdobserved 03e14151a30abeeb46fd5f135ab12a07...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T16:41:06.309031Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087753/publication.txtobserved 2eea0c0f57295cd005f6cc5d180b0c02...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 |
|---|