OT-2026-000090521
Publication integrity record
Four cup vacuum gripper, four zone face, single stage ejector, 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-2026-000090521) never changes.
Identity and time
| Publication number | OT-2026-000090521 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2f-7dfc-9b61-b394e73fa2bd · 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-2026-000090521 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6c04d3831b77566b49629a76f9a3af7879e723a18bbd3984582985ca3890ac08 |
|---|---|
| Markdown | 37e178f5639db67ad6e165e7daba88add7511d3c6ad4987eaedd77656c58321b |
| Publication page | ba14ba8a0ef64dbfcfdc786e1c93092c6556bfec20f0154f39bea6059f62092e |
| Manifest | fef9881abbce746697be26ef08b479cbbb7e5aedcad5b48159e1dd581fee25df |
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 | dSWXmj8fT2aRsgo84PJGR9QzqaMeNKtFT1Wk9M8LgqubycJLUJ+pcMKC7cdBiQilPxIGhXpKxxG9ybr/CDGLBA== |
| 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
| 2026-09-17T09:44:41.345175Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090521observed ba14ba8a0ef64dbfcfdc786e1c93092c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:41.325986Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090521/manifest.jsonobserved fef9881abbce746697be26ef08b479cb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:41.307305Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090521/publication.mdobserved 37e178f5639db67ad6e165e7daba88ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:41.287722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090521/publication.txtobserved 6c04d3831b77566b49629a76f9a3af78...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. |
|---|