OT-2026-000021403
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000021403) never changes.
Identity and time
| Publication number | OT-2026-000021403 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-7ab9-be83-30b15fce7833 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021403 |
| Status | PUBLIC |
Content hashes
| Canonical text | 65f94443823b98a54e5ce6fa3c7c42ead5ab1afa988734fbfb5844a55a7e60a6 |
|---|---|
| Markdown | 1058374d5d04478bc76607e84730be0b51a5fd4b54470526fc97f4616639c1c9 |
| Publication page | db3366a005908ff10609b915c87326d6474e466996cb2374ed3e042252ab52de |
| Manifest | 952d54faa4ef8a723b722f54b48bb94c10893a6813f73ca3d30fe73ec65d212c |
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 | 6FcMOkOdnKMyODy9pjH5hk9H15/rVc5q3fo2E/yeDL4Si6ETXwaVFLV1nTFjPJPrAB3qUV8XRDhAbrxUtsKZDg== |
| 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
| 2026-09-17T11:55:17.833916Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021403observed db3366a005908ff10609b915c87326d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:17.808525Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021403/manifest.jsonobserved 952d54faa4ef8a723b722f54b48bb94c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:17.783734Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021403/publication.mdobserved 1058374d5d04478bc76607e84730be0b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:17.760249Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021403/publication.txtobserved 65f94443823b98a54e5ce6fa3c7c42ea...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. |
|---|