OT-2026-000090553
Publication integrity record
Four bellows cup vacuum gripper, four zone face, three 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-2026-000090553) never changes.
Identity and time
| Publication number | OT-2026-000090553 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2f-79e5-9562-44c4a7e0dbf9 · 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-2026-000090553 |
| Status | PUBLIC |
Content hashes
| Canonical text | 04106cdb5622a9dd6bfcfcc2ec75841159b49785b7f884bceebeadd57a232984 |
|---|---|
| Markdown | be766eb2051036df4c56e4b098160bec8bd746e5f269b041cdc99a7029e6709a |
| Publication page | 5e522ba8effc516c9775c6074496ca02974e16ee3f0227676084658d0f1e4b93 |
| Manifest | 59de32f7a0938a6cea258703b86ee68beef7f85c2ccfbff8bfdea27c9c69d333 |
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 | z/EuJfqFUYb4I5C5nsxuUf1Q9/70V2C3jtIon7LUavz3Wa/H3o/41JWVoOB/dz18J7L8oe0DdlaoaXV1fFIlCw== |
| 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
| 2026-09-17T09:44:43.597667Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090553observed 5e522ba8effc516c9775c6074496ca02...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:43.581517Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090553/manifest.jsonobserved 59de32f7a0938a6cea258703b86ee68b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:43.563604Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090553/publication.mdobserved be766eb2051036df4c56e4b098160bec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:43.546029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090553/publication.txtobserved 04106cdb5622a9dd6bfcfcc2ec758411...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. |
|---|