OT-2026-000005228
Publication integrity record
Porous face vacuum gripper, three zone face, six outlet manifold, pump fed, contact triggered
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-2026-000005228) never changes.
Identity and time
| Publication number | OT-2026-000005228 · never reused |
|---|---|
| Internal UUID | 01a0a932-0dbc-7591-a5e6-0fc1b4a9a1bc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:50:24.959613Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005228 |
| Status | PUBLIC |
Content hashes
| Canonical text | acdad02da3e9be516f8ea7541e42845911bc6fcc840868474af9d75cffc2086d |
|---|---|
| Markdown | 3838694f370de4197fe84c53f14fd8d888081ef60a115de6cc46248c5a3d4be4 |
| Publication page | 1c9b17ac7e6e3e8bc890589044afefb21478d03dd87f86d4a983c7ff7ee64537 |
| Manifest | de8b0469f0a5e686f41d92e62ddcfe7e25c8f2a64d2ed6dffef7071afd9955d0 |
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 | FR1OGShIlWmcOk7w95JMTVJJJD9O2Fg0IuXC0UbHq6QgERcSqFks/Kv04W/8JFyVlyfW5nEk+TJNuMNJ6o4RBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:00:33.244167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005228observed 1c9b17ac7e6e3e8bc890589044afefb2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:33.231245Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005228/manifest.jsonobserved de8b0469f0a5e686f41d92e62ddcfe7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:33.218148Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005228/publication.mdobserved 3838694f370de4197fe84c53f14fd8d8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:33.205271Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005228/publication.txtobserved acdad02da3e9be516f8ea7541e428459...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. |
|---|