OT-2026-000090574
Publication integrity record
Four bellows cup vacuum gripper, four zone face, 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-2026-000090574) never changes.
Identity and time
| Publication number | OT-2026-000090574 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2f-7f6a-854b-9e456a48165c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090574 |
| Status | PUBLIC |
Content hashes
| Canonical text | e5e05797bd3efdada640474c31c052f7fccc5a67f37b94cd0ea0a9f71941474b |
|---|---|
| Markdown | 2030fa1437289a5515ebad18c2e7486a5372091330d1c589bd3764156574b2a2 |
| Publication page | d052e40692cdd243bbc76c791a45f99117a592e06bc624817ecc37ae891b5c2b |
| Manifest | b7ed44b7a134664260a08627b2ca54a48245238dfc6396a89523e8ad59ce36dd |
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 | /Rxn2nVorihllWs+EDWl1pYi8QzgvTxnYMj8w30bn+/VG9cdNKf0f4G4O3WItaGXgCXzQ8WnmTU45LhBQG6+Bg== |
| 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
| 2026-09-17T09:44:45.126816Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090574observed d052e40692cdd243bbc76c791a45f991...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:45.110021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090574/manifest.jsonobserved b7ed44b7a134664260a08627b2ca54a4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:45.093138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090574/publication.mdobserved 2030fa1437289a5515ebad18c2e7486a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:45.076156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090574/publication.txtobserved e5e05797bd3efdada640474c31c052f7...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. |
|---|