OT-2026-000090453
Publication integrity record
Foam pad 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-2026-000090453) never changes.
Identity and time
| Publication number | OT-2026-000090453 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-7e1c-885b-f7640d3fe122 · 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-2026-000090453 |
| Status | PUBLIC |
Content hashes
| Canonical text | 74db730f3065a65d106e2cf2da453498fe258f4f577c235d6595d5b31981dcb0 |
|---|---|
| Markdown | fd2fa700b5fd78aaa84bc229959871da9bef152fb475d796120ff833f52e6860 |
| Publication page | d8735c3ceded8a41e4b2bc2b9af454493232d035710cfa2d6d1f061b2dbb47b5 |
| Manifest | 75e0b2c119c2ea16e0642d627ab401122fb4664f4762a42b73b0bc8e57c426b4 |
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 | TvBzzxxd17O9No8ZE/gc/y8Lt+5P9C+HLlAp1WW8e/d/n6vkCxmD1pNHzR9pRq4xlFFkj0zwExv/3avYKEPsDw== |
| 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
| 2026-09-17T09:44:21.647412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090453observed d8735c3ceded8a41e4b2bc2b9af45449...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:21.629665Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090453/manifest.jsonobserved 75e0b2c119c2ea16e0642d627ab40112...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:21.611806Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090453/publication.mdobserved fd2fa700b5fd78aaa84bc229959871da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:21.565025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090453/publication.txtobserved 74db730f3065a65d106e2cf2da453498...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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