OT-2026-000029775
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000029775) never changes.
Identity and time
| Publication number | OT-2026-000029775 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e24-795b-84ed-b0d58fb2b7a7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:51.545382Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029775 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4d1cc52b0690295b455c866bac94ef48d0bf25c61c89cdd9ed8d48798c4613ca |
|---|---|
| Markdown | b44ed7d134bc65d56629ac7c44418a3e70164b7121e119794f740def101479b9 |
| Publication page | 4973c14b6d4b7589b2dd0981468bd6b7a82a412094c4eb6f2a3db29868f32b4f |
| Manifest | b2eb1ee69ec926de7961b07eda09aec657343eb543bf254f8306600f11d43ca8 |
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 | sd1h0gJtbvdVcxTunC0cI/vAwpDsjXPlVHUxMoOMWnWcSjV9aUB8OJUScS8JaCI+awmVc3cHwn4ZVsn5wXUCCQ== |
| 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
| 2026-09-17T11:39:32.421959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029775observed 4973c14b6d4b7589b2dd0981468bd6b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:32.403404Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029775/manifest.jsonobserved b2eb1ee69ec926de7961b07eda09aec6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:32.384971Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029775/publication.mdobserved b44ed7d134bc65d56629ac7c44418a3e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:32.367510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029775/publication.txtobserved 4d1cc52b0690295b455c866bac94ef48...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. |
|---|