OT-2026-000004029
Publication integrity record
Porous face vacuum gripper, per zone isolation, six outlet manifold, plant vacuum fed
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-2026-000004029) never changes.
Identity and time
| Publication number | OT-2026-000004029 · never reused |
|---|---|
| Internal UUID | 01a0a90c-f37f-719d-887d-c8a6ec4a5c3f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:53.410246Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004029 |
| Status | PUBLIC |
Content hashes
| Canonical text | 854774da8ed5db54da7d0e81258345654aae24c02f7280e4188c12b3b0cbbb14 |
|---|---|
| Markdown | 99b6d40bd2bf7ecde4a14fe20d703366937d5c32293063e9e468e9e6a94080ad |
| Publication page | 50aa02761f8abaa357d0863996632021790938e2447be8e745d1422061a3488f |
| Manifest | fc41ef61866d87fcdc3beeb42ca69b47d59c4720bef3f52a3b6e0b8ee05563c4 |
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 | p49fZFMBTxlmYJ/KRNajZxpjUarNVfPSo07uIEETH2SxpjNQY5Pz/AGIOBS0+b49qWWVEtr/Ltm/mg51X+bIBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:10:05.277027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004029observed 50aa02761f8abaa357d0863996632021...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:05.262537Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004029/manifest.jsonobserved fc41ef61866d87fcdc3beeb42ca69b47...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:05.247287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004029/publication.mdobserved 99b6d40bd2bf7ecde4a14fe20d703366...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:05.230525Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004029/publication.txtobserved 854774da8ed5db54da7d0e8125834565...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. |
|---|