OT-2026-000004820
Publication integrity record
Vacuum cup gripper, four zone face, two stage ejector, pressure verified, vented 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-2026-000004820) never changes.
Identity and time
| Publication number | OT-2026-000004820 · never reused |
|---|---|
| Internal UUID | 01a0a924-5dce-7bae-8721-f6832c75f6d3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:35:27.952955Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004820 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1e90a33ffa046fa40032097a315f6862cd5f0f2f918976c2571065ffd6efb584 |
|---|---|
| Markdown | e2378233be75de66bd04d83d0c0b061ac16ffb79ccaa9bfe5516928876ba5b49 |
| Publication page | 1b9b0b1bb459edeb15420e771a9667bb3ed81a5c78f02809a2b51d9bfdc63579 |
| Manifest | dc0bd2411452809de9082bd40deb323d0bd1e299fb331fbf9adb4c9753e85a5b |
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 | QjhoHI/3hnG+2eJ5CSp1BW8mmCqVNOAZ2rkKkcuoYgoYjoGBJ44JkgtPCCXtLp+zsgIen6gUyF4bxQMWreBABw== |
| 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
| 2026-09-16T07:40:15.483488Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004820observed 1b9b0b1bb459edeb15420e771a9667bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:15.471883Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004820/manifest.jsonobserved dc0bd2411452809de9082bd40deb323d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:15.459304Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004820/publication.mdobserved e2378233be75de66bd04d83d0c0b061a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:15.446589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004820/publication.txtobserved 1e90a33ffa046fa40032097a315f6862...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. |
|---|