OT-2026-000021451
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000021451) never changes.
Identity and time
| Publication number | OT-2026-000021451 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-79e7-bb3d-bb310baa7ab3 · 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-2026-000021451 |
| Status | PUBLIC |
Content hashes
| Canonical text | e40100b29c152f7a8818fc196f754d769915fcb1fee3615c1f158a69fea86797 |
|---|---|
| Markdown | 318535e095b1032015472cf68c7a1002c3a3ff1e53679a2f9d9df169cbdffc16 |
| Publication page | 16cc13f62bf1f4b7807d08303709836e9a1617530099269f4828115825b99a88 |
| Manifest | 429a0dec5aa12a2f478286a03ddb482ef18c2f0ad42b26992b784d9437ac5c59 |
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 | asCB3gzamHOyxjxVlYpfS6j1PnaTxb1quuiEv4qA0emJ/jzL5uJnN6F9KXF0R2kvpBRDjkx3OiSq1AbbY5MdAA== |
| 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
| 2026-09-17T11:55:21.912077Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021451observed 16cc13f62bf1f4b7807d08303709836e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:21.894407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021451/manifest.jsonobserved 429a0dec5aa12a2f478286a03ddb482e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:21.874553Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021451/publication.mdobserved 318535e095b1032015472cf68c7a1002...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:21.856598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021451/publication.txtobserved e40100b29c152f7a8818fc196f754d76...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. |
|---|