OT-2026-000090861
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained 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-2026-000090861) never changes.
Identity and time
| Publication number | OT-2026-000090861 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c010-72ad-8cbe-ee4160b8d35b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090861 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4df05bf832e4eb87098087549714e164edac7a55fd79bac78d204d1bf9778e9c |
|---|---|
| Markdown | 71425a559a57aacd361bc59bcc8d21d9e2ffd49d7b3dcbbe5ec1c0484543378f |
| Publication page | 0e42accea09b360adae1d521ebbf15626ee5ea1028705db0a6e871da6e504ef3 |
| Manifest | 1cb3cde6d141e1255a5b8b6479157ce7c4c02342293bb392137a6d92bf4d6365 |
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 | n5GC+MGzEnCnxJcMmf1pXKJQxdYrSRINMVlmTISvjYoXf/fY1u/qkRqw24/baOK16phvxmSM0pSreL9r4FpeBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:03.209669Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090861observed 0e42accea09b360adae1d521ebbf1562...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:03.191061Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090861/manifest.jsonobserved 1cb3cde6d141e1255a5b8b6479157ce7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:03.169960Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090861/publication.mdobserved 71425a559a57aacd361bc59bcc8d21d9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:03.150391Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090861/publication.txtobserved 4df05bf832e4eb87098087549714e164...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. |
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