OT-2026-000090422
Publication integrity record
Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, 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-2026-000090422) never changes.
Identity and time
| Publication number | OT-2026-000090422 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2d-7c1a-819f-11ac348e339d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090422 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8e52672971817285e2337d4adc445a8cde433e7fbf7fa44d70ba237fdae80983 |
|---|---|
| Markdown | db78269ababb03fb076f9fa3b5d6be15a1233d10908a17c0835923b963c01965 |
| Publication page | 913773b6dcb7ab827cba0997b87ce315076afe6bf81ef776e2986fb53b0bb52c |
| Manifest | 0ce5d8c73440a991b3cf5487a4d05afbe1b8aab603c8ea676a1a00b7eb7be1ae |
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 | T04LZvwfkknjbQ4beElN7mmP/5kGvTbqaHrHcg6guWMhtZkwv1AbnuueLvrb3WcZE73EY8R0zKBNHUXRgyPdAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:32.253357Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090422observed 913773b6dcb7ab827cba0997b87ce315...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:32.237935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090422/manifest.jsonobserved 0ce5d8c73440a991b3cf5487a4d05afb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:32.220980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090422/publication.mdobserved db78269ababb03fb076f9fa3b5d6be15...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:32.205412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090422/publication.txtobserved 8e52672971817285e2337d4adc445a8c...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. |
|---|