OT-2026-000013520
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000013520) never changes.
Identity and time
| Publication number | OT-2026-000013520 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fcb-7f6e-8d13-9c2263223395 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:22.837188Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013520 |
| Status | PUBLIC |
Content hashes
| Canonical text | e9920f02508e4e8be6c7d4c1ee8a73d7cb2a94ddcc36ec9a81eed37b591aafae |
|---|---|
| Markdown | 782b9638b16bef5eda2ca9131e0873ee88282333e157f6384ff64ac836e83701 |
| Publication page | 851a804520657724b07c40bf12514d845d05b2fac581fb55a76f485ba404e0ae |
| Manifest | c3be4275fdb2c855e335f7472ff8da98245e01fddceee4984ff2f2e302f74a46 |
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 | Lh8SihBzALkhjvei//LhIB7V0KivzNdV1zWBjuUTq10oqCZBcUI51ktwNqM7fS4e+/dxdBtsMM/SpA9xxMWBAQ== |
| 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
| 2026-09-17T12:09:21.967535Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013520observed 851a804520657724b07c40bf12514d84...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:21.947055Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013520/manifest.jsonobserved c3be4275fdb2c855e335f7472ff8da98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:21.916773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013520/publication.mdobserved 782b9638b16bef5eda2ca9131e0873ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:21.890414Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013520/publication.txtobserved e9920f02508e4e8be6c7d4c1ee8a73d7...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. |
|---|