OT-2026-000021433
Publication integrity record
Single cup vacuum gripper, two 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-2026-000021433) never changes.
Identity and time
| Publication number | OT-2026-000021433 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-713f-8ed9-a563e32a71ae · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021433 |
| Status | PUBLIC |
Content hashes
| Canonical text | e3610ecd161690301f7b1d0a391fc0be81f62214b9f1a5b15a4d89edd1d2fa02 |
|---|---|
| Markdown | 75bdbdbaab348608a4180308203ddb728c016ec1bdd55094aad4285c5bfff500 |
| Publication page | 83617e2375c20e8cce44969ac19f5f4dd890d7addac291ee9a72325e202b26bb |
| Manifest | 5ec89566773802a4db62696396a9b7739755215897b12adf071c05aac1d41be4 |
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 | O89lI6xK6AuIq8wfDEnuWM9Nl5fFDHnTKA640U7FAALTL4pusGKNWFPJYm8x7ATxRODktIIXN9bBXf49AthKBw== |
| 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
| 2026-09-17T11:55:20.363807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021433observed 83617e2375c20e8cce44969ac19f5f4d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:20.342753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021433/manifest.jsonobserved 5ec89566773802a4db62696396a9b773...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:20.321436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021433/publication.mdobserved 75bdbdbaab348608a4180308203ddb72...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:20.302703Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021433/publication.txtobserved e3610ecd161690301f7b1d0a391fc0be...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. |
|---|