OT-2026-000019821
Publication integrity record
Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line 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-2026-000019821) never changes.
Identity and time
| Publication number | OT-2026-000019821 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb5-7c7f-ba1c-6c688fb1964f · 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-2026-000019821 |
| Status | PUBLIC |
Content hashes
| Canonical text | 93c7808c1e09e202641846e9b73f2d18e8090e0209b76e4b9d7a40517e8f710b |
|---|---|
| Markdown | 5390931e09de0e759c0a4728e4a31905c53e0832955d9afbe025fbd9ebfeef4c |
| Publication page | 844233b2179dc79d7b08ec886a7a03abddb2d681317bbe829c9437c7cc84c286 |
| Manifest | 5ffcc1fb95338d131f2f8c71b928fdd88d7a2332453f5d7f03d06b1ebee8e81e |
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 | dNvNAa+x+1jl9CGs9/xx4/Vpuxf7VJcGMPdQGRnMPPCVlCi42gWR/Vf+8XtmM7Wl9o0U3mfJsEC0EPBfxd6hAQ== |
| 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
| 2026-09-17T11:58:00.538661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019821observed 844233b2179dc79d7b08ec886a7a03ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:00.520250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019821/manifest.jsonobserved 5ffcc1fb95338d131f2f8c71b928fdd8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:00.499396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019821/publication.mdobserved 5390931e09de0e759c0a4728e4a31905...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:00.477127Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019821/publication.txtobserved 93c7808c1e09e202641846e9b73f2d18...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. |
|---|