OT-2026-000071391
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, supply line 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-2026-000071391) never changes.
Identity and time
| Publication number | OT-2026-000071391 · never reused |
|---|---|
| Internal UUID | 01a0ae91-e0ed-7b39-98f8-7606d34bb1d4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:11.039722Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071391 |
| Status | PUBLIC |
Content hashes
| Canonical text | d17a5ff2ad85f9f641becdf412b704f6a6b838838d14fa1d3a8895d88a4839cf |
|---|---|
| Markdown | 6f99b64d26f4df55e12b5255e498db25b5f9f01f809225b5c0e3e3ad29b5f107 |
| Publication page | 4485e1127ec8366be9b29070ae9080bfd559e5cd2951274f6dfc1fa33fb1180c |
| Manifest | 57e158664a0991b4c4181cea7fa184dd8dd3635c085d16fb83376522687f640f |
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 | 8tCL9gNZb+ydFh1Q5ELvwyPhdLlpapiVWIS+6gKFI1ZBacyRvoLM5M5sxSYIn1PrFBIZp0y9IDyD5L0QjV8cCA== |
| 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
| 2026-10-22T16:41:28.104975Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071391observed 4485e1127ec8366be9b29070ae9080bf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T16:41:23.408984Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071391/manifest.jsonobserved 57e158664a0991b4c4181cea7fa184dd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T16:41:23.356216Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071391/publication.mdobserved 6f99b64d26f4df55e12b5255e498db25...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T16:41:23.260292Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071391/publication.txtobserved d17a5ff2ad85f9f641becdf412b704f6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:41:57.796051Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071391observed 4485e1127ec8366be9b29070ae9080bf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:41:57.740223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071391/manifest.jsonobserved 57e158664a0991b4c4181cea7fa184dd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:41:57.691763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071391/publication.mdobserved 6f99b64d26f4df55e12b5255e498db25...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:41:57.633180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071391/publication.txtobserved d17a5ff2ad85f9f641becdf412b704f6...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 |
|---|