OT-2026-000021787
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000021787) never changes.
Identity and time
| Publication number | OT-2026-000021787 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7970-acec-40c6ed0394db · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021787 |
| Status | PUBLIC |
Content hashes
| Canonical text | c377c3415ef29adc466af0748dde00b9d989339821c6ab34d715019b95a54487 |
|---|---|
| Markdown | 42c9046e02440fdce4d1c9ff2b45b8dc99a253ca47ec718743d7c2a94f1c30e2 |
| Publication page | 506cfbd138ebaa5ccb06c275bbe521dd31908c09ec6d220ebd1c38920c421fc2 |
| Manifest | a43e7d70d656dd14f5ddea073c3dcc47da536fe1d1992db7c016058a81011aa4 |
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 | bIEM/lRiWZFWr0UxnSYmubVMZ9s4H2UMAPX/nMotHJHghHHAq53j8HAiMk6OOuqyG/wn4SQ8+h6DY7bMD18aBg== |
| 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
| 2026-09-17T11:54:20.229739Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021787observed 506cfbd138ebaa5ccb06c275bbe521dd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:20.212565Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021787/manifest.jsonobserved a43e7d70d656dd14f5ddea073c3dcc47...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:20.193755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021787/publication.mdobserved 42c9046e02440fdce4d1c9ff2b45b8dc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:20.176326Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021787/publication.txtobserved c377c3415ef29adc466af0748dde00b9...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. |
|---|