OT-2026-000020284
Publication integrity record
Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed 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-2026-000020284) never changes.
Identity and time
| Publication number | OT-2026-000020284 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-7bac-ba64-efb101463b47 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020284 |
| Status | PUBLIC |
Content hashes
| Canonical text | cfda94f0ea9f8aa8aa6bfa4d4fd81a73ccc570ed5211a03d24ec3e13f02f4c04 |
|---|---|
| Markdown | 61bdcdb8f90e9a95a15e71480acdea5b01e97db2a7e3f0d9aa59be8e07a4b9b7 |
| Publication page | 99ae19f90dc40d42acc174cf1977b3771758ef079eee3b69c90c5eb1efe6e8b7 |
| Manifest | e1983df210e3a25e89c651194b5ec9ea348073cb17939aea116bca29ec908a92 |
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 | Zt6qi4bHZWDnLLdaTO+SSfxFtEyMtRhUycFKfmM2tGulOB6gYV0zlhMwO8P/NMHg4yFVwndibmvPXsjyUpv6Bw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:56:38.362646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020284observed 99ae19f90dc40d42acc174cf1977b377...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:38.345472Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020284/manifest.jsonobserved e1983df210e3a25e89c651194b5ec9ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:38.326349Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020284/publication.mdobserved 61bdcdb8f90e9a95a15e71480acdea5b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:38.308128Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020284/publication.txtobserved cfda94f0ea9f8aa8aa6bfa4d4fd81a73...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. |
|---|