OT-2026-000091031
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000091031) never changes.
Identity and time
| Publication number | OT-2026-000091031 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c012-7ced-8333-729fb83c050b · 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-2026-000091031 |
| Status | PUBLIC |
Content hashes
| Canonical text | c0669383a22d7f3febf1e37d056e8634d5c698d4586c7ccba4e2103f61ae369e |
|---|---|
| Markdown | f8b6eb3ef461038be8258e3afd0736fea1dedf52875280defa6352a6300adf51 |
| Publication page | b16e39a99e9a3de0eb180d582525a59b34b5364bdfa41a9877c18d1aeb7dd9e0 |
| Manifest | f68624956ac8bb68660d235e1591a1b7ef92b207eef6c7f3100b08541d4a6fca |
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 | ExIlS+nR9qfgHqDwadyW1P79bJEFtaVDUwvX2r1JwQqMc93xl0hfBZkWw24GbQ0HzYdxRu3yrKC4ND4hm0f8Dw== |
| 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
| 2026-09-17T09:44:16.459603Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091031observed b16e39a99e9a3de0eb180d582525a59b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:16.442468Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091031/manifest.jsonobserved f68624956ac8bb68660d235e1591a1b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:16.425288Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091031/publication.mdobserved f8b6eb3ef461038be8258e3afd0736fe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:16.408021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091031/publication.txtobserved c0669383a22d7f3febf1e37d056e8634...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. |
|---|