OT-2026-000006981
Publication integrity record
Porous face vacuum gripper, common isolation valve, three outlet manifold, ejector fed, open cell
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-2026-000006981) never changes.
Identity and time
| Publication number | OT-2026-000006981 · never reused |
|---|---|
| Internal UUID | 01a0a96e-7174-7a4e-98b2-9a9ad0432d68 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:56:22.647390Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006981 |
| Status | PUBLIC |
Content hashes
| Canonical text | fb4fc7d4e602bbfd95d784f44b5f80addda0c765f7eea8b40e9ee2da26f3ccd1 |
|---|---|
| Markdown | 53f155e81be5872f271171923bde3b6ed585ab9c317f5541506c3f1ecbd760dc |
| Publication page | 07fddd93891019b1268162710dc6b8e042b05b0b506a87548a60293b30c215ec |
| Manifest | ccb7eddc9c8d655087610b4935a9c2a5062bd75f44951c5300caa0e9edc572ec |
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 | FKHglrKkWOvnxjJrb6sArHV9ErxZ70cW5jlm/KCvMe56mTVDoiu8Rnme6lsX8IeIS0rg5qu4V71eXyW2XG8DAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:07:03Z batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof root 2354c19da800f8df297acf3cddd64d4d... |
|---|
Independent retrieval
| 2026-10-10T12:42:11.838450Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006981observed 07fddd93891019b1268162710dc6b8e0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-10T12:42:11.743398Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006981/manifest.jsonobserved ccb7eddc9c8d655087610b4935a9c2a5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:42:11.661187Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006981/publication.mdobserved 53f155e81be5872f271171923bde3b6e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:42:11.504043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006981/publication.txtobserved fb4fc7d4e602bbfd95d784f44b5f80ad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T12:42:02.170879Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006981observed 07fddd93891019b1268162710dc6b8e0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T12:42:02.102557Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006981/manifest.jsonobserved ccb7eddc9c8d655087610b4935a9c2a5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T12:42:01.965918Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006981/publication.mdobserved 53f155e81be5872f271171923bde3b6e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T12:42:01.855747Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006981/publication.txtobserved fb4fc7d4e602bbfd95d784f44b5f80ad...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 |
|---|