OT-2026-000071644
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, vented 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-2026-000071644) never changes.
Identity and time
| Publication number | OT-2026-000071644 · never reused |
|---|---|
| Internal UUID | 01a0ae92-1e90-74e0-beb4-368e56edc6c6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:26.841552Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071644 |
| Status | PUBLIC |
Content hashes
| Canonical text | dbf261ea2ab677dcec12761519d82e99299fbd9cd9a881bd53ad6c9aace8147a |
|---|---|
| Markdown | dbde0b47289257b26b1b498d518e6a98629646208a3575620cfbeb1597978add |
| Publication page | 44c43ca308c66d5806478e4aa3f6a8d41f5d6c7e92d1bb17e1cd17482e69ba78 |
| Manifest | a1f6cc2cde79c4cc78f45551514d73234c6f9f424730584f4992976736de4bed |
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 | DwmcNODVuR/Z3cJT0s6gSlXsa9KPliot1B9JrQH9dy+e45mNc8sro7up9rbHahKSkRjVitTF17EgQ2kmi/khAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:23:40.649264Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071644observed 44c43ca308c66d5806478e4aa3f6a8d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:23:40.631971Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071644/manifest.jsonobserved a1f6cc2cde79c4cc78f45551514d7323...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:40.614925Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071644/publication.mdobserved dbde0b47289257b26b1b498d518e6a98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:40.598976Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071644/publication.txtobserved dbf261ea2ab677dcec12761519d82e99...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. |
|---|