OT-2026-000090621
Publication integrity record
Foam pad vacuum gripper, two 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-2026-000090621) never changes.
Identity and time
| Publication number | OT-2026-000090621 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f30-759d-8111-214684136903 · 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-2026-000090621 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1709829ed9818e8abbfe4bf349c23326c51d9a32fef550d8fbf5eda3d4b2d396 |
|---|---|
| Markdown | cd566d16224d4b61d8a4be2f110ce831ecf51f9379304931b27dda2566a23d5c |
| Publication page | 86d0a773d5a50836bf9bac587f46b97e33fff56dd6732650dcbd40ccc5e74ef2 |
| Manifest | caec4b408a180771d4dd2bf0da4a83fe7a498d1fe2223c370448583d688ce0bd |
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 | iav8Z6D6Mqx6KLYf8PVrmAHNrV0GDYjlYrxTz8PBbNOf3XxMNIsezbGUEOJ9N4D/a+V60MPUn8KvBReOFVQ0BQ== |
| 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
| 2026-09-17T09:44:48.694641Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090621observed 86d0a773d5a50836bf9bac587f46b97e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:48.677808Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090621/manifest.jsonobserved caec4b408a180771d4dd2bf0da4a83fe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:48.661161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090621/publication.mdobserved cd566d16224d4b61d8a4be2f110ce831...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:48.642466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090621/publication.txtobserved 1709829ed9818e8abbfe4bf349c23326...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. |
|---|