OT-2026-000020191
Publication integrity record
Foam pad vacuum gripper, four zone face, 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-2026-000020191) never changes.
Identity and time
| Publication number | OT-2026-000020191 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7eb7-a15a-fbd1f21b6fd8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020191 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8e53ac5d236c19e2ee70eaaac4e52710448e5fcd5d8c6bf338f8d31051abb3c3 |
|---|---|
| Markdown | e28fd8bad5ef1a3ccd5329aec7342986ca3a967a6c67467b9aa714a39f119d4d |
| Publication page | 5fc430ae654b23e7910d5afe919871acff6ebafcd2269b61231ccdaae599f45c |
| Manifest | 21d9043a6b22e7f558844b8e3b127899b5c2cdc1194b7475ad94209b828a9448 |
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 | 6787I8YcRv/wFdpghpO3WM+lXpRF1qcwraFgdPbgnNnzqNaoxltt3Yd2d4y1Rbv83DuvtEAAXodW6J1gGOcOCA== |
| 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
| 2026-09-17T11:56:31.152689Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020191observed 5fc430ae654b23e7910d5afe919871ac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:31.134084Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020191/manifest.jsonobserved 21d9043a6b22e7f558844b8e3b127899...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:31.115952Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020191/publication.mdobserved e28fd8bad5ef1a3ccd5329aec7342986...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:31.097038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020191/publication.txtobserved 8e53ac5d236c19e2ee70eaaac4e52710...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. |
|---|