OT-2026-000021417
Publication integrity record
Single cup vacuum gripper, single stage ejector, sustained 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-2026-000021417) never changes.
Identity and time
| Publication number | OT-2026-000021417 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-7e2b-8132-410abd8ef084 · 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-2026-000021417 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0bf1687f9153ae5297169b241ad66aa561773d52a01929cb3573e6d4c7e23ed2 |
|---|---|
| Markdown | 0f1ca4f4347fc2849ae30816afccde14209d3dfd5db2e1b47cb79ec2ee957bca |
| Publication page | 44e2e4da824d2955c49d8f04c8269eb25e6f93e722ea10f2f9819cee364eed05 |
| Manifest | b1967460326852730c54ee0aef6a995b42d10054bc469e11bf25c7c6ed026b5a |
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 | It11kDRBb7fCCcvnZTO36aqAntcA2fsRJzT/gmVRIkTiUvvPdtGrwtZxirtfax8Q1aAoD08j0hfwwIdOk5dsCQ== |
| 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
| 2026-09-17T11:55:19.036922Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021417observed 44e2e4da824d2955c49d8f04c8269eb2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:19.016563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021417/manifest.jsonobserved b1967460326852730c54ee0aef6a995b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:18.997357Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021417/publication.mdobserved 0f1ca4f4347fc2849ae30816afccde14...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:18.976471Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021417/publication.txtobserved 0bf1687f9153ae5297169b241ad66aa5...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. |
|---|