OT-2026-000090436
Publication integrity record
Three cup vacuum gripper, three 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-2026-000090436) never changes.
Identity and time
| Publication number | OT-2026-000090436 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-705a-9182-eab599c734dd · 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-2026-000090436 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9fb56ed7eb21c37297534904d139578b01998d3c0de34553c8049eaff1acfdd4 |
|---|---|
| Markdown | d6841529273522ce6d3ac7b3b34928cdd0f8e0f5fe80172e057730e2f6ba6451 |
| Publication page | 7b7bff0bcaae770d39b04bc2bb1dc7b935ec9ce80210de62e2b90861aee932da |
| Manifest | 9a1847be2d061a744a3174469a3c5b7f9431fd1e3112cd23c2d22bb270ca78ac |
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 | I0yQoiUqQgX+WRHx+ql48eWeQ65tL2UYB4lt36p6Dyx1wGWoL2UrglmUkxOA6TjqAHY4QL8z6ZjJ81fUozd7AA== |
| 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
| 2026-09-17T09:44:33.262410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090436observed 7b7bff0bcaae770d39b04bc2bb1dc7b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:33.245437Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090436/manifest.jsonobserved 9a1847be2d061a744a3174469a3c5b7f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:33.228498Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090436/publication.mdobserved d6841529273522ce6d3ac7b3b34928cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:33.211497Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090436/publication.txtobserved 9fb56ed7eb21c37297534904d139578b...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. |
|---|