OT-2026-000032081
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000032081) never changes.
Identity and time
| Publication number | OT-2026-000032081 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad3-74fe-9151-5fc656c1c5f7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000032081 |
| Status | PUBLIC |
Content hashes
| Canonical text | e6b70fe4eb64390f34758ee4be8cf81a7373862e102741255bfc02413aa6a2be |
|---|---|
| Markdown | 68953cd8a1be05d8b52680a4be2c6b4fff3838d45687b5b52d0c5a78ebb291bb |
| Publication page | eaafbfabea3ad729f63a1b3bf47577d9e33247e32e23a4930cc003f3380697f8 |
| Manifest | c7d96c8dd52795044805c6b25810f27c6f91f5afa4508490260048a7592c1833 |
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 | wMRhsM4zsgFJIseECNkObQF0dJ0Fxmm4ekQ1tAhS+cWUDsdT5SHrC0UjZ2fYzd1B6j1lpzi/V6bxX4IiQRUSAA== |
| 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
| 2026-09-17T11:35:30.230664Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032081observed eaafbfabea3ad729f63a1b3bf47577d9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:30.212162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032081/manifest.jsonobserved c7d96c8dd52795044805c6b25810f27c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:30.194694Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032081/publication.mdobserved 68953cd8a1be05d8b52680a4be2c6b4f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:30.176459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032081/publication.txtobserved e6b70fe4eb64390f34758ee4be8cf81a...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. |
|---|