OT-2026-000090728
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down
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-2026-000090728) never changes.
Identity and time
| Publication number | OT-2026-000090728 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f31-7192-ac32-864d05cd865c · 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-2026-000090728 |
| Status | PUBLIC |
Content hashes
| Canonical text | aa505be2a866869c8af5c0f951089c455e589489a8d7fbc797501ccfb45ade09 |
|---|---|
| Markdown | 788dfa33dde720b1757c9970f756dc63e3c965b52295a0c110104b6fa25254bb |
| Publication page | b5db65af79d1f9fa1d52082ea4ec3538e51f8fa0bc221e9afd8faa73d2ca8019 |
| Manifest | ab1ed8ccc8ec7a7ded1d6b91c740991b75335956cedc22b5987af2b9a66f34dc |
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 | bk0K6n74RbdKuq8b6kfN09FhtUOLhJmSnvJQ69GiNucvB1JhSJXWEcVqSlqgAWArUC2mwJsey45SP9ESLcLTAw== |
| 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
| 2026-09-17T09:44:23.060060Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090728observed b5db65af79d1f9fa1d52082ea4ec3538...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:23.042781Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090728/manifest.jsonobserved ab1ed8ccc8ec7a7ded1d6b91c740991b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:23.024023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090728/publication.mdobserved 788dfa33dde720b1757c9970f756dc63...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:23.005494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090728/publication.txtobserved aa505be2a866869c8af5c0f951089c45...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. |
|---|