OT-2026-000090328
Publication integrity record
Foam pad vacuum gripper, two zone face, pump fed, pressure sensor per zone, 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-2026-000090328) never changes.
Identity and time
| Publication number | OT-2026-000090328 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2c-744f-93fd-fbcc23e4bc2a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090328 |
| Status | PUBLIC |
Content hashes
| Canonical text | c109c272b45b87f184f23619fc4be1a5d0d448bf3002382af78fa2eb3e60b221 |
|---|---|
| Markdown | 1296690c37ae0a661989622f6241943d347afb32a56637999d7a02016c03e148 |
| Publication page | f9a711225638dc58797fc71037069303a15bfc9286c4e8395a6c13a7dbf01523 |
| Manifest | ade19124596fb2419718c7f74c9c778e60d7033812ff3b90f00242f078d36b8d |
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 | wv7y2qokXIdRxxLZbbBRpYG98brTkNBulR/2sCs/TZay/1f5G86qqt7Ve11xbnIy151+jPP3udLDvah4gOprCQ== |
| 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
| 2026-09-17T09:44:24.926401Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090328observed f9a711225638dc58797fc71037069303...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:24.909241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090328/manifest.jsonobserved ade19124596fb2419718c7f74c9c778e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:24.891062Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090328/publication.mdobserved 1296690c37ae0a661989622f6241943d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:24.873487Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090328/publication.txtobserved c109c272b45b87f184f23619fc4be1a5...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. |
|---|