OT-2026-000020072
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000020072) never changes.
Identity and time
| Publication number | OT-2026-000020072 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb8-7af8-bca7-1c049d355d26 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020072 |
| Status | PUBLIC |
Content hashes
| Canonical text | cafb9fc5388d371442acc9bc33d2056cf32cb1804da4f0164112399761d051d2 |
|---|---|
| Markdown | c83567de92be3399969b12e5b1d90553727838691accdc0a20203db48b56b5ac |
| Publication page | 6891316729b40d4d3e610dcf65861f4acb9147e8845d975682d802f05cf48e45 |
| Manifest | c223a3c7b079610b8c92747cd2b95cbccf9a5f60a13f8e2a78af70dfd1761e61 |
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 | 44a+BbspgZKM1oENle00FQWgi9SDa8ldH3a/pqCKvyPtkoJAa7YWD+Za8ez00rCjXBWwZdD86NCzNNvC1m0ACQ== |
| 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
| 2026-09-17T11:58:19.128434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020072observed 6891316729b40d4d3e610dcf65861f4a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:19.109213Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020072/manifest.jsonobserved c223a3c7b079610b8c92747cd2b95cbc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:19.090038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020072/publication.mdobserved c83567de92be3399969b12e5b1d90553...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:19.064466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020072/publication.txtobserved cafb9fc5388d371442acc9bc33d2056c...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. |
|---|