OT-2026-000022477
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-2026-000022477) never changes.
Identity and time
| Publication number | OT-2026-000022477 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4fe-731f-b81a-c97609c2b9e9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:07.953226Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022477 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9361b0248d57ce2788cd9f0f35ed014143cde16ec1364c9402c738c71edf2656 |
|---|---|
| Markdown | 4b73aced2138ddd1496a3133e576867c1082b913d17c4a5fab9ac6200176c1d6 |
| Publication page | edb74f40ad4eb217b86a1e67ceb5eb989602438cc27737caa061e4dfa476a774 |
| Manifest | f144488f0b37b393ad04462ea68d9cd9a90ece22d8ce81e30c3096ef75a423c8 |
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 | 3fb5TCcn5zVNbaifjpqxqBkHf60AjTNHXt5OSsjTasiBUoE6IzmDeDHLH1bLh0BYvONXFAx0VpQZtkkyBOxUBQ== |
| 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
| 2026-09-17T11:53:52.851325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022477observed edb74f40ad4eb217b86a1e67ceb5eb98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:53:52.831294Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022477/manifest.jsonobserved f144488f0b37b393ad04462ea68d9cd9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:52.811293Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022477/publication.mdobserved 4b73aced2138ddd1496a3133e576867c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:52.792160Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022477/publication.txtobserved 9361b0248d57ce2788cd9f0f35ed0141...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. |
|---|