OT-2026-000054837
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented before set-down
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-2026-000054837) never changes.
Identity and time
| Publication number | OT-2026-000054837 · never reused |
|---|---|
| Internal UUID | 01a0ae86-1285-7fcf-8f09-3a3ac1fadc2a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:17.489937Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054837 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5e9fb189c0bb3507be89c4ba70499fa38d99f29160755e011be3058524ee5a0b |
|---|---|
| Markdown | 7403799e8d8f11c3e178f355ab6e7b463e7709eb07c892a3f2a383d8f021364b |
| Publication page | e8b05b39ffd36f618c5382d977e80064533333e909c7c76a0fdbeb12f2f55e54 |
| Manifest | 09d0a469f7deb11b3e729b6296ba717cabcc0812b808f04890aea582f430a925 |
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 | UhqRjsuQfPJPdBodrPJ5zVmyOlxQcTdBBVIWOss1Mk7vKi33ppiIg5iwoGcDOyVDi8ZjCrXaFEFniJrLmPTBAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:54:02.975142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054837observed e8b05b39ffd36f618c5382d977e80064...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:54:02.955023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054837/manifest.jsonobserved 09d0a469f7deb11b3e729b6296ba717c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:02.935707Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054837/publication.mdobserved 7403799e8d8f11c3e178f355ab6e7b46...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:02.917489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054837/publication.txtobserved 5e9fb189c0bb3507be89c4ba70499fa3...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. |
|---|