OT-2026-000042936
Publication integrity record
Single bellows cup vacuum gripper, pump fed, pulsed blow-off after 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-2026-000042936) never changes.
Identity and time
| Publication number | OT-2026-000042936 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-7449-b6c2-73a92ae2cc7e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042936 |
| Status | PUBLIC |
Content hashes
| Canonical text | 55c7bebcfe27337dca31b3e5629453d4394d3a59ad9768bc8bc733688910c0f7 |
|---|---|
| Markdown | 0482c1d2a6db0c9574cfbe8888cecfd2fff55fd85b6742ecefa664e44d161eb7 |
| Publication page | abc1af5b49602276915a72afbe5ac5a2fcf50986579ed7542df729c55c57ece3 |
| Manifest | 71458e24a903aab6a9d116f799cc8837c245a4c5bac855239ff901665af22d24 |
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 | ZBsf86Y6Ff7GlGskoIWh5yp5EKlFUoYr53Jbdh3OxsJXUaBEZ5OZQl936gTG8FUALsZbap/mGxPnOy4CYxpBCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:15:28.094464Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042936observed abc1af5b49602276915a72afbe5ac5a2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:28.074503Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042936/manifest.jsonobserved 71458e24a903aab6a9d116f799cc8837...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:28.054570Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042936/publication.mdobserved 0482c1d2a6db0c9574cfbe8888cecfd2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:28.036270Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042936/publication.txtobserved 55c7bebcfe27337dca31b3e5629453d4...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. |
|---|