OT-2026-000013943
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000013943) never changes.
Identity and time
| Publication number | OT-2026-000013943 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8dea-7974-8421-07df17e78c77 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013943 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9a4e0767837148164090849c78949e11d8a05c95d1aa09916e6000d77144114d |
|---|---|
| Markdown | 434d8c7971d6313885949319a5264891bd7b2ccdfcce91ae4e310c68897e5c77 |
| Publication page | 74fc72b2773cea7aa688631f7e5f5917fa2f92dfcafaf51854ffd9b7a61940fc |
| Manifest | dddf437c1f5166b931b9254bbb2f4a9054b18db50602c186aeed4bf9dd7a0ab8 |
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 | 2y0ttf/1QXO8rJ84uL0AUSHQ8Ub0z50dXpq1pERkcMXXzKxNRn7K0F1eTCWdB3KglYHQ7jZMcj1PbDwqoxueBw== |
| 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
| 2026-09-17T12:09:05.083438Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013943observed 74fc72b2773cea7aa688631f7e5f5917...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:05.064108Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013943/manifest.jsonobserved dddf437c1f5166b931b9254bbb2f4a90...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:05.046355Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013943/publication.mdobserved 434d8c7971d6313885949319a5264891...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:05.027128Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013943/publication.txtobserved 9a4e0767837148164090849c78949e11...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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