OT-2026-000090727
Publication integrity record
Foam pad vacuum gripper, three 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-2026-000090727) never changes.
Identity and time
| Publication number | OT-2026-000090727 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f31-78a6-b4ca-d4b5559e7dde · 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-2026-000090727 |
| Status | PUBLIC |
Content hashes
| Canonical text | c8d34be3721a0611835f09385c392765c0b351aef3e4c0c66cbe33120a191847 |
|---|---|
| Markdown | b4e294c9332ae63928bf332109ef428d9442f71dbff6fbc364dcce9e3adad53a |
| Publication page | ac5aefca1de291891450dbcf1d9af3a6e98d67aac52e7cf2b77140b61e29f8ed |
| Manifest | bd6c3f56492637249edfba1a1640684f72391a43956830fba52403a00c9dfe18 |
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 | 5DeWC0Cf09VHVa4oceqH3frNrAuOeL2Q1ZoxdhQljuPag6OU6e0qxUex2XJj4Jeriuuj5PiN1lWoKNFnrBRAAA== |
| 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
| 2026-09-17T09:44:22.985301Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090727observed ac5aefca1de291891450dbcf1d9af3a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:22.966783Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090727/manifest.jsonobserved bd6c3f56492637249edfba1a1640684f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:22.946219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090727/publication.mdobserved b4e294c9332ae63928bf332109ef428d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:22.927165Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090727/publication.txtobserved c8d34be3721a0611835f09385c392765...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. |
|---|