OT-2026-000052553
Publication integrity record
Two cup vacuum gripper, two outlet manifold, plant vacuum 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-2026-000052553) never changes.
Identity and time
| Publication number | OT-2026-000052553 · never reused |
|---|---|
| Internal UUID | 01a0ae84-573b-73db-b9bf-32bf85589b92 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052553 |
| Status | PUBLIC |
Content hashes
| Canonical text | 33320067b5fe9d4326b69b2f4bad01242910302f7485f7c7a00a20ba8322921e |
|---|---|
| Markdown | 99e11fcc17ad7b316289488875f4bd4f8615c09b4eb95422bf0f09adc8809164 |
| Publication page | 9c9fbc4032578e96fc3566c47e7ee3c9f79f2b4931df626995f8c465bb0ec60a |
| Manifest | cedad39900546ef84b3d0fd7064c57a6a5806fff539d96b3c7c31f79ec575dd3 |
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 | dXsozt1xbO83vNtDww29D3voBtNLekrkcZ0ZagTIvhWhBVCLszGsuj5SliBeGO4eKYzCCrt1Oz+321B7xkcYAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:57:12.485593Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052553observed 9c9fbc4032578e96fc3566c47e7ee3c9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:12.456005Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052553/manifest.jsonobserved cedad39900546ef84b3d0fd7064c57a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:12.435337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052553/publication.mdobserved 99e11fcc17ad7b316289488875f4bd4f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:12.404297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052553/publication.txtobserved 33320067b5fe9d4326b69b2f4bad0124...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. |
|---|