OT-2026-000020747
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, 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-2026-000020747) never changes.
Identity and time
| Publication number | OT-2026-000020747 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-77b7-a49e-41e866a1b77d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020747 |
| Status | PUBLIC |
Content hashes
| Canonical text | 07b6026f8df5bd3409d9808d58f6ab8219771b739a7a14c1d8f8b3e799548c1a |
|---|---|
| Markdown | eb70dc268a50ae14c384b4b1b6513964f3cb6b023bbf5dd550a456d05db4b472 |
| Publication page | 215e9da2769d738e70703e3f7663d5dae1ca9d12e1eeba03e48e99e24dae1caf |
| Manifest | fcbd8e294e851156ffd9de8acdf78cb9cf862f2d70997e54cc41bc35a981d25d |
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 | RwV4bUc+nvKmAAfNuqf049jPbXhoAnnIyNWu4MTG6oykFkaveG82vpLi4d92O0IFL6cwDDKnWATKAfIRYZVmAA== |
| 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
| 2026-09-17T11:55:49.005382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020747observed 215e9da2769d738e70703e3f7663d5da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:48.988167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020747/manifest.jsonobserved fcbd8e294e851156ffd9de8acdf78cb9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:48.970430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020747/publication.mdobserved eb70dc268a50ae14c384b4b1b6513964...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:48.951700Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020747/publication.txtobserved 07b6026f8df5bd3409d9808d58f6ab82...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. |
|---|