OT-2026-000042921
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, sustained blow-off after set-down
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-2026-000042921) never changes.
Identity and time
| Publication number | OT-2026-000042921 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-7ea6-8a15-1cd22db344d8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042921 |
| Status | PUBLIC |
Content hashes
| Canonical text | 41862836839d1567b538ca81254bd4d09ea71e4f2d7f224630ddfb30b9ac2a9d |
|---|---|
| Markdown | 85df4927269f5614eb17a545d1105b81dd6d9d42e0c8f183740633ac95ddbeb7 |
| Publication page | ae53a81149471b72e0b2175ac4730c145f7d869d9392498a05178b38182c2eda |
| Manifest | 38a64dcb170df62d897be52529231e07e79c6ae9a63f3a11d3b986cf3a469f41 |
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 | y38iUNJsrDnLzfaL88uxqBoYW9XHZbj2j2Kk4HFrgLGmkk27eixPXMhAIkJ1+TZhtyLeQ2QGjlgwNrRLN7W9BA== |
| 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
| 2026-09-17T11:15:26.740204Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042921observed ae53a81149471b72e0b2175ac4730c14...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:26.717567Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042921/manifest.jsonobserved 38a64dcb170df62d897be52529231e07...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:26.696322Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042921/publication.mdobserved 85df4927269f5614eb17a545d1105b81...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:26.676779Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042921/publication.txtobserved 41862836839d1567b538ca81254bd4d0...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. |
|---|