OT-2026-000090839
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000090839) never changes.
Identity and time
| Publication number | OT-2026-000090839 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c010-71ba-9a37-ff4d634a16e4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090839 |
| Status | PUBLIC |
Content hashes
| Canonical text | 91747bcd73f311859b95b953d8d25977129b7d3141e7d42d97c458b3884eee21 |
|---|---|
| Markdown | 5f4748f649399c0bc0a581d051ad7a10b751dec725b5c860ac5eda8cead3dfa4 |
| Publication page | eeae0a9f64d80633e6871d816a6848b337b4c4b63855d6e51ceaf637bc05ffd2 |
| Manifest | 5bd5870c6989e2094e60552bce5a0c283a35588bd8ad2662474e3447de8f64de |
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 | zTgOf56gY7a+UWJmuG9Jd4siwMXjXLC3RzM3mRqyoWwCXW12j3Hc3Jrz5ts5prN+mKDm0DtOoKI6mBj1IbzECw== |
| 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
| 2026-09-17T09:44:01.324591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090839observed eeae0a9f64d80633e6871d816a6848b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:01.306582Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090839/manifest.jsonobserved 5bd5870c6989e2094e60552bce5a0c28...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:01.289393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090839/publication.mdobserved 5f4748f649399c0bc0a581d051ad7a10...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:01.271665Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090839/publication.txtobserved 91747bcd73f311859b95b953d8d25977...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. |
|---|