OT-2026-000028432
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, sustained blow-off before set-down
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-2026-000028432) never changes.
Identity and time
| Publication number | OT-2026-000028432 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-75af-b2e7-502edf334b7b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028432 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0d44a2068c25ceffce6b2d5bbb8c190ce842bdebfc295cae0dfa6d52e3ae5aca |
|---|---|
| Markdown | 9084ba5febd9d8910ce125fb2833d5a199bbb369a66345f715da01dab6cb3b2e |
| Publication page | 7e6f766e5b17f3c23be36d31f113421cc03e70a7df4373c625029fe67ec25a4b |
| Manifest | 4163e5ecff556045c52c4186158c0cc7f4edfa7734786ffffecd7066d205facf |
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 | 8MHBWZShYdjCDJQj6H0SGR5TNJBxJp7BJ7CdlMVU3iCD9pPRA2hIYkpHLDaHVpJNjrbBqKt1BQg89D71R5pUBw== |
| 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
| 2026-09-17T11:40:34.044884Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028432observed 7e6f766e5b17f3c23be36d31f113421c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:34.012089Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028432/manifest.jsonobserved 4163e5ecff556045c52c4186158c0cc7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:33.994536Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028432/publication.mdobserved 9084ba5febd9d8910ce125fb2833d5a1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:33.973398Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028432/publication.txtobserved 0d44a2068c25ceffce6b2d5bbb8c190c...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. |
|---|