OT-2026-000041994
Publication integrity record
Foam pad vacuum gripper, single stage ejector, sustained blow-off after 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-2026-000041994) never changes.
Identity and time
| Publication number | OT-2026-000041994 · never reused |
|---|---|
| Internal UUID | 01a0ae79-e8a7-72ac-b5a8-6c2c37cf3b76 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:00.220789Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000041994 |
| Status | PUBLIC |
Content hashes
| Canonical text | 68e9d0c2251852840d53dfa5e630d3f4769f804e45203b9d944512bfa543f3be |
|---|---|
| Markdown | 52b671a10ee304f0adc1ed5e07579081059c87f1658bdbb1e039029ccd60f1e5 |
| Publication page | 3726dbc945dc961c31f549ff038de54961f84a5fd3fee77b4bedc2fb1916f1b7 |
| Manifest | c8e0913640bbe28e5a9ba2bb5d4ba65326b23965804702198a8ca18c361ae603 |
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 | jKHFSzNn/+Kkq67JBADrbQeg7hOnF33J4qrcZjVGqoqjcsjzU3nRCOq+v5mXG1aNgNlt+kDP3jFRBgQmayG9Ag== |
| 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
| 2026-09-17T11:16:53.461779Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041994observed 3726dbc945dc961c31f549ff038de549...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:16:53.445505Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041994/manifest.jsonobserved c8e0913640bbe28e5a9ba2bb5d4ba653...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:53.427588Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041994/publication.mdobserved 52b671a10ee304f0adc1ed5e07579081...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:53.410641Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041994/publication.txtobserved 68e9d0c2251852840d53dfa5e630d3f4...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. |
|---|