OT-2026-000020519
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000020519) never changes.
Identity and time
| Publication number | OT-2026-000020519 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437c-7137-832e-ca55dba38754 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020519 |
| Status | PUBLIC |
Content hashes
| Canonical text | a4565b5365a1978fce56416662206b9cd2141b02cea02c19cda5210c2561a7ff |
|---|---|
| Markdown | 7d560352039267cb5d496cb2f0ef08b15c3448b588a0ecbd494eb42671f1838b |
| Publication page | 67f2b29b3f6173496fef6df7f9c495ddcedaaf4a56d5a0845dab9b2338481132 |
| Manifest | ddca48afd52154f214829f2132c9322896a36118545cda0320a776e2485ca263 |
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 | HBH/ROXdmqkorIbGUQuIApN5AF+h5dfwqTmJC6en5TkKkEzhFxGqTLuDO+2wGu6rGM1xMIGeBZVpngSBUapGAA== |
| 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
| 2026-09-17T12:00:29.272914Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020519observed 67f2b29b3f6173496fef6df7f9c495dd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:29.253004Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020519/manifest.jsonobserved ddca48afd52154f214829f2132c93228...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:29.230522Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020519/publication.mdobserved 7d560352039267cb5d496cb2f0ef08b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:29.209645Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020519/publication.txtobserved a4565b5365a1978fce56416662206b9c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:32.290841Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020519observed 67f2b29b3f6173496fef6df7f9c495dd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:32.267534Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020519/manifest.jsonobserved ddca48afd52154f214829f2132c93228...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:32.246674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020519/publication.mdobserved 7d560352039267cb5d496cb2f0ef08b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:32.226275Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020519/publication.txtobserved a4565b5365a1978fce56416662206b9c...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. |
|---|