OT-2026-000019683
Publication integrity record
Three bellows cup vacuum gripper, three zone face, three 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-2026-000019683) never changes.
Identity and time
| Publication number | OT-2026-000019683 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb3-76e5-8a45-390933fa907e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019683 |
| Status | PUBLIC |
Content hashes
| Canonical text | d13f80c9624963d0dede7bf86ea998440d25906389f0aec68606d37ede076bd4 |
|---|---|
| Markdown | 5db40db786c2754bfa632d9c72f2184291e023eb93bf138fdf6b4ace2d2ea053 |
| Publication page | 2aa51f5a97b0b30bf4ae838453a8263f5834686a819b5d8011a42d22c88793c9 |
| Manifest | 13b4cbb3c23ca54bd8147c84beee9bd29f40dc2104ce979c2723b62614975412 |
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 | ulG8CRyzsCZYCn2te2AeLyZwQLUXgnOlygFFXLhtDfsLP5Wz6dizU+2jj5xzsX1Qc+zKp/MFybf/6c+vuV41Bg== |
| 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
| 2026-09-17T11:57:45.462354Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019683observed 2aa51f5a97b0b30bf4ae838453a8263f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:57:45.443421Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019683/manifest.jsonobserved 13b4cbb3c23ca54bd8147c84beee9bd2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:45.423385Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019683/publication.mdobserved 5db40db786c2754bfa632d9c72f21842...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:45.400982Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019683/publication.txtobserved d13f80c9624963d0dede7bf86ea99844...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. |
|---|