OT-2026-000020667
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pulsed blow-off 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-2026-000020667) never changes.
Identity and time
| Publication number | OT-2026-000020667 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-7668-add2-fd19d9b693cf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020667 |
| Status | PUBLIC |
Content hashes
| Canonical text | 90fcaee746a42a90bd9b2ea4593383f564f4db919e337de82ed8728d9b529c7c |
|---|---|
| Markdown | b308d15ebc6a1c9cfbd9be7d3ec0e9be092045dc7dadded2104af8651e7dbc55 |
| Publication page | af6c4b99e4fb510207a67b4719000f5f39df7ee59a6f8238cf3008ece5e8dab8 |
| Manifest | 5a74c9afcbb65c0b8f9d63e94164667d2d65878fb730ed05d0cc09f5517f53a8 |
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 | 1LLu2CTedW83oZqScgLe9He+u1EpQLMiCkeQfXOXtZFquYiatAmSmQE8DsN17BlKUfm7Mbsx4OKsonq01BquDA== |
| 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
| 2026-09-17T11:55:37.509597Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020667observed af6c4b99e4fb510207a67b4719000f5f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:37.489807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020667/manifest.jsonobserved 5a74c9afcbb65c0b8f9d63e94164667d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:37.471183Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020667/publication.mdobserved b308d15ebc6a1c9cfbd9be7d3ec0e9be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:37.451094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020667/publication.txtobserved 90fcaee746a42a90bd9b2ea4593383f5...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. |
|---|