OT-2026-000015288
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-2026-000015288) never changes.
Identity and time
| Publication number | OT-2026-000015288 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef48-770f-8946-0d3dac75bfd8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015288 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6a91197360bed6e9b042583c7509cb8a33f76909be520b8914e197b1fb62b6b7 |
|---|---|
| Markdown | cea8bec27a5e3623fc5d8b120430176ac4c0fc9a64a0ddcea17448b70fce6faf |
| Publication page | 6d4bc83a9ac8f7c33b446d967f5287c4966aca61125b054a70c464834347b98b |
| Manifest | d75f0f410bf7b1c556163e36d92f9cc2e5ca899162461008b3b9916f95872871 |
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 | Sv1Hk7NIY7sGbKDK3McudhWstXd0fxuDrsH+oB9tPXmZtiKRnAzcJ4MZnv8yeG4Ht0480PVOLgmt8n2AgVyFCA== |
| 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
| 2026-09-17T12:05:58.405351Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015288observed 6d4bc83a9ac8f7c33b446d967f5287c4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:05:58.385843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015288/manifest.jsonobserved d75f0f410bf7b1c556163e36d92f9cc2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:58.364859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015288/publication.mdobserved cea8bec27a5e3623fc5d8b120430176a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:58.345304Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015288/publication.txtobserved 6a91197360bed6e9b042583c7509cb8a...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. |
|---|