OT-2026-000090575
Publication integrity record
Four bellows cup vacuum gripper, four zone face, 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-2026-000090575) never changes.
Identity and time
| Publication number | OT-2026-000090575 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2f-7c7f-a313-fb86cabe6893 · 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-2026-000090575 |
| Status | PUBLIC |
Content hashes
| Canonical text | a58007732cd7aae59634d3e79ca6f34718f952e87d3f9f8047fad35036db5f47 |
|---|---|
| Markdown | f2816acc6394b8418e5946f710ae02e4ed8db060b42446fa9f93af9dd0bf4957 |
| Publication page | 12fb7b3dcc65310ac81912ce12b8a0d079493e635134b3c2125dc834e21231cd |
| Manifest | 5cb9796ab3b568e49ff1165b094ebfa8a5bd02bc180ea0700cbcbd50a53bd27c |
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 | veGFDEr2luGbsxPv87Or2PQXp4+Zz6ZxEFmuD85wgEpMQf7P8X6bxByOTwKoszDQRJHpADCOwt2bO81z50Z5DA== |
| 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
| 2026-09-17T09:44:45.195338Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090575observed 12fb7b3dcc65310ac81912ce12b8a0d0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:45.177398Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090575/manifest.jsonobserved 5cb9796ab3b568e49ff1165b094ebfa8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:45.161286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090575/publication.mdobserved f2816acc6394b8418e5946f710ae02e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:45.144248Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090575/publication.txtobserved a58007732cd7aae59634d3e79ca6f347...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. |
|---|