OT-2026-000027555
Publication integrity record
Foam pad vacuum gripper, four zone face, two stage ejector, pulsed 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-2026-000027555) never changes.
Identity and time
| Publication number | OT-2026-000027555 · never reused |
|---|---|
| Internal UUID | 01a0ae72-6999-7107-8baf-f07966569513 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:48.928538Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027555 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7c132d5b5d107300589e14fd6f1b4ed03480b3a80d5d54ef1100b812880b733f |
|---|---|
| Markdown | 72cefdaef99ec533a014e397db9bc1d223cab9d609581994febda4083ea3ae2a |
| Publication page | cc42d412b281aed2d69a31304b46555dd33c09cb6d865f3d5db440921cbeb5c5 |
| Manifest | f104043edbfeb0e596e4f62e2a4f6dac5bef5e1aeaf3ffaa70237bf760653ad2 |
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 | 085+rA0myv/7K2Xr5DWGGmZBCiZE+4gsS3aA2cUPkxIFMYfBrITkTmosn0civ4x5ej0d3P5PHTMieAwJRAt6Cg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:43:02.661465Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027555observed cc42d412b281aed2d69a31304b46555d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:43:02.645857Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027555/manifest.jsonobserved f104043edbfeb0e596e4f62e2a4f6dac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:43:02.629603Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027555/publication.mdobserved 72cefdaef99ec533a014e397db9bc1d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:43:02.613546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027555/publication.txtobserved 7c132d5b5d107300589e14fd6f1b4ed0...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. |
|---|