OT-2026-000090830
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-2026-000090830) never changes.
Identity and time
| Publication number | OT-2026-000090830 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c010-7e03-8b0c-37839770207d · 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-2026-000090830 |
| Status | PUBLIC |
Content hashes
| Canonical text | d7cf830d56dcbd267dda1e214433e0b121dfccc630b9e397b43fbbbf83b56c11 |
|---|---|
| Markdown | 601da43b8cf7ff2352ea3c3cd21cfd572a884e97d29a7a291b8d9e2ec3aa17ec |
| Publication page | 7cb8af42feb93c9ee4ac1cad082e581a06dca1a32de2deccbd6c741be936d147 |
| Manifest | dc11b1a4720f0f8991d50b7c7efac3e6d6d3c380a5a8b7655d34159830a813e2 |
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 | 509wOPPtz/DyWkMuqEE07fFNobATzUWwVwi48uSS1AH2TKm1sMBMlqlRN04ttGUCdeMqRnBV4aDGCTXDDWr8Ag== |
| 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
| 2026-09-17T09:43:52.480331Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090830observed 7cb8af42feb93c9ee4ac1cad082e581a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:43:52.464167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090830/manifest.jsonobserved dc11b1a4720f0f8991d50b7c7efac3e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:52.447132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090830/publication.mdobserved 601da43b8cf7ff2352ea3c3cd21cfd57...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:52.429672Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090830/publication.txtobserved d7cf830d56dcbd267dda1e214433e0b1...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. |
|---|