OT-2026-000090827
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000090827) never changes.
Identity and time
| Publication number | OT-2026-000090827 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c010-738f-b175-1d0bbc043e44 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090827 |
| Status | PUBLIC |
Content hashes
| Canonical text | b402eb7e46f40a85317e6c96e60059ea364027f177d496bdd0b3a87b8f98c2fe |
|---|---|
| Markdown | 42c267eccdc955297c406e7a1e1fbf65df25b79f14cc168bdcc1690e5337b3b3 |
| Publication page | f736e8f33817d3e5ac4b3cd136619ef31934ec7ca4ae7a5e2d0a05d13c5c8346 |
| Manifest | 97b47e2a93633ea2b1230d1682822cb88243b57d29ef7b76cd80de9eb3a3e51c |
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 | BPGb8C/Yil393fWzSPpNixgE4+PQo/JJ5KDDG5CWYclvSDBTX3cChB3dbJ3+6jKhyKUUh4jpmZ0Yzm04eheXBw== |
| 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
| 2026-09-17T09:43:52.272827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090827observed f736e8f33817d3e5ac4b3cd136619ef3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:43:52.255626Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090827/manifest.jsonobserved 97b47e2a93633ea2b1230d1682822cb8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:52.238784Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090827/publication.mdobserved 42c267eccdc955297c406e7a1e1fbf65...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:52.220880Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090827/publication.txtobserved b402eb7e46f40a85317e6c96e60059ea...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. |
|---|