OT-2026-000020231
Publication integrity record
Four cup 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-2026-000020231) never changes.
Identity and time
| Publication number | OT-2026-000020231 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7577-bf85-440a20f5b1c3 · 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-2026-000020231 |
| Status | PUBLIC |
Content hashes
| Canonical text | 173b77aec61d0d022245011825c896e1288196737207cf1751646b4570139bab |
|---|---|
| Markdown | bdc4c56781c5bcbec5adc99321e4a07a7d48e73eff0089560aae840c9c545c88 |
| Publication page | 15f2cc2ec894607c248ee8a0d636441ddb210e54f319a2fd727269a69fa6a576 |
| Manifest | 737bbeebe3030c3e54572e37e03094ef3342e506fe3b5e39cc116ce37ffe021c |
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 | JKxaZ6reJCFds/kMvPX+eiHhckzAWzzS+EUbKvwVXYfU2pIWw/CQWxvWUS6SKeqTwq8FHN4cR/ZYofH2pnqtDw== |
| 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
| 2026-09-17T11:56:34.131680Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020231observed 15f2cc2ec894607c248ee8a0d636441d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:34.110501Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020231/manifest.jsonobserved 737bbeebe3030c3e54572e37e03094ef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:34.091389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020231/publication.mdobserved bdc4c56781c5bcbec5adc99321e4a07a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:34.073559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020231/publication.txtobserved 173b77aec61d0d022245011825c896e1...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. |
|---|