OT-2026-000090858
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000090858) never changes.
Identity and time
| Publication number | OT-2026-000090858 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c010-7150-bcc1-582073eebe4b · 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-2026-000090858 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3c0a46641425f7ce7221d870c0d5ebcf4208a396fa1e59cb6015cdd0e4c49b61 |
|---|---|
| Markdown | 66604bfb2fa760b5412abd07190009e32fae38dd00ebf935a4eb7920868ab68e |
| Publication page | 5bb7e82b11318a16b083b662c7469f8e5b39afe0312e1ddf88a2dcb3f977e8ee |
| Manifest | 4ebace30fbceb2366461b1d2d7c8f2baef51797b6bdaffd4f41c2bf0bfba6cf6 |
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 | Q7+tBoJt2Mnn5/qakpPIkREkixKsa9Y+PY20PV6uxW+vSNvfMTQxGK00COm1zzzVvz8V6RwQru9drKICmqy/Bg== |
| 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
| 2026-09-17T09:44:02.976358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090858observed 5bb7e82b11318a16b083b662c7469f8e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:02.957476Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090858/manifest.jsonobserved 4ebace30fbceb2366461b1d2d7c8f2ba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:02.939524Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090858/publication.mdobserved 66604bfb2fa760b5412abd07190009e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:02.919665Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090858/publication.txtobserved 3c0a46641425f7ce7221d870c0d5ebcf...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. |
|---|