OT-2026-000090477
Publication integrity record
Four cup vacuum gripper, four zone face, pump 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-2026-000090477) never changes.
Identity and time
| Publication number | OT-2026-000090477 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-7d90-bc68-ea788888933b · 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-2026-000090477 |
| Status | PUBLIC |
Content hashes
| Canonical text | dd1295f60fbc6895aae8e3ba05668b47460d51d8781a9792e4b011ca5909d3d4 |
|---|---|
| Markdown | 5536705a501bbcdb3ed4bdcf4a3f0c25ca923ed9234cd8db7dc37b63c0f31875 |
| Publication page | 4c73f7a82ec9d6d97016f5d17829bc75a10ef9179d7d45840d6da5ceb35b6d86 |
| Manifest | 3be76c73fbd5aa7385a28b3c47975707dda00af57ed68231bb798d3e091970e9 |
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 | 0nvYBGkVACP82VsXltluW7DFMfAZCBTRTGVB2EH6j/ZVakF715bBVx9R+3Teh3k9YlWFdazw+aRLepWO21B6AQ== |
| 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
| 2026-09-17T09:44:36.332886Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090477observed 4c73f7a82ec9d6d97016f5d17829bc75...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:36.314336Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090477/manifest.jsonobserved 3be76c73fbd5aa7385a28b3c47975707...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:36.296427Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090477/publication.mdobserved 5536705a501bbcdb3ed4bdcf4a3f0c25...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:36.278148Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090477/publication.txtobserved dd1295f60fbc6895aae8e3ba05668b47...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. |
|---|