OT-2026-000090140
Publication integrity record
Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000090140) never changes.
Identity and time
| Publication number | OT-2026-000090140 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-428f-7739-8f18-5b3e4de5ec51 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090140 |
| Status | PUBLIC |
Content hashes
| Canonical text | dc4c66c23661f757f41319a86120580cbc6ff7af0fc0af762f434cdcf87c7090 |
|---|---|
| Markdown | 824a3ccbe069bbcdb132706ca09a11974d375bb15f2ab9495f310b71886aeb96 |
| Publication page | 7703bbd7fc8ca3c7fa37deedfff1775358c55c35f2d08ae4980e54195026f67e |
| Manifest | bd3ef641a7d34edb59a0470f6fd18d5026f54e94c0f2a8664522b5ae3183d6f8 |
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 | fQDmYlCOKcVOO+UBKh+J9gxgCxp4BNxG8zaxe8urbckUJclVNl1JaQqh0I8PrQ1YnTQ4XNxcBH9M4KkN+QjcDA== |
| 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
| 2026-09-17T09:45:38.770845Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090140observed 7703bbd7fc8ca3c7fa37deedfff17753...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:45:38.665638Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090140/manifest.jsonobserved bd3ef641a7d34edb59a0470f6fd18d50...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:38.599302Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090140/publication.mdobserved 824a3ccbe069bbcdb132706ca09a1197...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:34.814703Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090140/publication.txtobserved dc4c66c23661f757f41319a86120580c...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. |
|---|