OT-2026-000004848
Publication integrity record
Vacuum cup gripper, three zone face, pump fed, vented before set down, silicone cups
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-2026-000004848) never changes.
Identity and time
| Publication number | OT-2026-000004848 · never reused |
|---|---|
| Internal UUID | 01a0a925-3f81-7099-9eab-d3d6b010d41f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:36:25.732513Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004848 |
| Status | PUBLIC |
Content hashes
| Canonical text | fb72c4025daf9c43349e3fed3f34438d323d24aada7b3f0b9721650215af94d3 |
|---|---|
| Markdown | 5cf1ffa714243afe20ada003fa44a58250c2af56c8f00e56b8649e639a3829c9 |
| Publication page | 01fb0471842d835b22665c17423c7b968555f3e454a175ca711c0933cbdac3b7 |
| Manifest | d68bfa46094754335e9315708f958b5a46e47e0f3f6dfc752d3a5f7e4d848c96 |
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 | jfACSguq8tBSYB/1yPjVjFQOUXxAIQ91yf7lWu72hmlCVVBJBblJ7o8zaDhDyQYOHKe7hdObvXVVlsdLEw7VBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:12.472979Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004848observed 01fb0471842d835b22665c17423c7b96...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:12.461165Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004848/manifest.jsonobserved d68bfa46094754335e9315708f958b5a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:12.448122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004848/publication.mdobserved 5cf1ffa714243afe20ada003fa44a582...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:12.434271Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004848/publication.txtobserved fb72c4025daf9c43349e3fed3f34438d...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. |
|---|