OT-2026-000020535
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, pulsed blow-off before 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-2026-000020535) never changes.
Identity and time
| Publication number | OT-2026-000020535 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437c-72ad-9b10-601be6c500fe · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020535 |
| Status | PUBLIC |
Content hashes
| Canonical text | a78a6fa7db277f83ff8a56a1aae18d854e03222fa7c9b34270557b8990e5bc08 |
|---|---|
| Markdown | 6bfbbaec45a3809085df81351d6e4814797e49ae709300387aefc7a905749582 |
| Publication page | bc86c63688dd807e3492782474dd35d761850af4ee246cf5930a19aef02ee214 |
| Manifest | c21ac5dfab8bcf339679bdee381685e8c9da16b931165304e8a5865f66d0bb22 |
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 | GfZWHZxxpZnLlrplSW3alra8WpKJ9tE47RJZqO2a36n0QyJEuzWA4iN+mdQYA/SWbbY1S4xCgIn5r+2hQKJGCg== |
| 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
| 2026-09-17T12:00:30.991151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020535observed bc86c63688dd807e3492782474dd35d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:30.970001Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020535/manifest.jsonobserved c21ac5dfab8bcf339679bdee381685e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:30.949218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020535/publication.mdobserved 6bfbbaec45a3809085df81351d6e4814...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:30.923591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020535/publication.txtobserved a78a6fa7db277f83ff8a56a1aae18d85...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:33.525542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020535observed bc86c63688dd807e3492782474dd35d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:33.507850Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020535/manifest.jsonobserved c21ac5dfab8bcf339679bdee381685e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:33.487455Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020535/publication.mdobserved 6bfbbaec45a3809085df81351d6e4814...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:33.467832Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020535/publication.txtobserved a78a6fa7db277f83ff8a56a1aae18d85...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. |
|---|