OT-2026-000090657
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, 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-2026-000090657) never changes.
Identity and time
| Publication number | OT-2026-000090657 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f30-7f8a-93e0-5f3a53a8a56b · 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-2026-000090657 |
| Status | PUBLIC |
Content hashes
| Canonical text | 68a417b24389cbf3271f353ca8b5e059d84a3c9d6a22342d8168031532954a57 |
|---|---|
| Markdown | f184b63707474cbda07247375ecbfe56d94ea792dae2093a284cd7519d65fac9 |
| Publication page | e87e415fe9350a4067a1df5e5ffd21c5d87b056e28a919d8d63e29a023a4ad1e |
| Manifest | ece2f1016be5f6cf7e796db4403fc13b570fcaafaaa122380ec7c04323a66b2c |
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 | BTaF3K8Q+zkk5NrieJU/BIV7oJeT6+Nhes5SvAJ3q8SUAqdfCSlDyN19wJxmH3lKB43GUFJPadqSr777MEbNDw== |
| 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
| 2026-09-17T09:44:50.909025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090657observed e87e415fe9350a4067a1df5e5ffd21c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:50.891988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090657/manifest.jsonobserved ece2f1016be5f6cf7e796db4403fc13b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:50.873504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090657/publication.mdobserved f184b63707474cbda07247375ecbfe56...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:50.854754Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090657/publication.txtobserved 68a417b24389cbf3271f353ca8b5e059...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. |
|---|