OT-2026-000022639
Publication integrity record
Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000022639) never changes.
Identity and time
| Publication number | OT-2026-000022639 · never reused |
|---|---|
| Internal UUID | 01a0ae70-46e9-72bf-ba5b-693eb1d3fb62 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:28.929798Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022639 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3a120d5983ec327548f361b01caac6755ea21571372b4d1fbc6dd0afda8e0afc |
|---|---|
| Markdown | 87d919182400e664aac4f50b06300955b514f992f9503b952b4e952212ee7bb7 |
| Publication page | c4b3b7eaf8590dbffa03da6862c7851a5e11fc91957021bede0201f2735e93d2 |
| Manifest | cfc3e4f1d8359e96e63fe680e55cb7cef3c4effe49624371d96006939e4d4a12 |
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 | Wys42DQewwT4Id/gH94RJ7if6FEVALU+f5UWzfRce0M82Ieh5STouBQ/mJTwLryinLGAjR51xS3wRLrVZay4DA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:52:01.098004Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022639observed c4b3b7eaf8590dbffa03da6862c7851a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:52:01.080802Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022639/manifest.jsonobserved cfc3e4f1d8359e96e63fe680e55cb7ce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:01.064365Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022639/publication.mdobserved 87d919182400e664aac4f50b06300955...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:01.048436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022639/publication.txtobserved 3a120d5983ec327548f361b01caac675...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
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