OT-2026-000028472
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, sustained 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-2026-000028472) never changes.
Identity and time
| Publication number | OT-2026-000028472 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-7535-84db-8f23359714d5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028472 |
| Status | PUBLIC |
Content hashes
| Canonical text | 48ddf403b03b1a9120fbf7bb40c70dbaf1954752be8bf35eef55059b921c7afb |
|---|---|
| Markdown | 630f04f12c15514095898d8717c270d4e77157a86cf76781600813b3c02806ba |
| Publication page | 91660ba4423cf4c7e6ae3f2417dbdce1cf6c95cf18c6bb01c924493bce022fde |
| Manifest | f44804426573a95857115f56ea69fa787782f934b42d654341de7192ed685ccc |
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 | tQfEKRP7SPOtmUjhu0PJXo7ArwffcsjF4b84HDcUNHKhv5zqbFK81MW3I51/ZuGVyZ9z+o6fI1ZboZ4b2uKbAg== |
| 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
| 2026-09-17T11:40:37.039707Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028472observed 91660ba4423cf4c7e6ae3f2417dbdce1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:37.019087Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028472/manifest.jsonobserved f44804426573a95857115f56ea69fa78...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:37.001960Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028472/publication.mdobserved 630f04f12c15514095898d8717c270d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:36.984397Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028472/publication.txtobserved 48ddf403b03b1a9120fbf7bb40c70dba...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. |
|---|