OT-2026-000013281
Publication integrity record
Four cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000013281) never changes.
Identity and time
| Publication number | OT-2026-000013281 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fc9-7fcc-b643-53d75a504c05 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:22.837188Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013281 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4ef13886edada5b8f89e307828317a28712e31fea6063100e43f7b7ecc8d2c05 |
|---|---|
| Markdown | 471c10f29b0aa2422ef30c9ea1a882226c5ec79faf7abab9e976eb84c7048681 |
| Publication page | 94f6670de1cc2be1bd19281699372d91f5b4defbb0473f4bbdd0a2d5a63e536b |
| Manifest | 70a7710c58258542f543236425604576acc6655a8a13b2a8bc3c56411e3d51fb |
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 | sdRiyDRc7FtRfNhMOBYD44KuzdbU2rnFfGiZiWg+DzSvwuJDutupktWQ3dM77H19/s5g2M4KnYTQZAZhvvuyAw== |
| 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
| 2026-09-17T12:09:42.007255Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013281observed 94f6670de1cc2be1bd19281699372d91...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:41.985022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013281/manifest.jsonobserved 70a7710c58258542f543236425604576...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:41.960525Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013281/publication.mdobserved 471c10f29b0aa2422ef30c9ea1a88222...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:41.939214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013281/publication.txtobserved 4ef13886edada5b8f89e307828317a28...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. |
|---|