OT-2026-000028987
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000028987) never changes.
Identity and time
| Publication number | OT-2026-000028987 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-7cf0-bc62-9d8085e8c6d8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028987 |
| Status | PUBLIC |
Content hashes
| Canonical text | a44ffa955b8590241b6db2c0599d8034e0fa5b13f693df17537c8e55db586924 |
|---|---|
| Markdown | c97174a64bb74c7a7984ea64c604b44e14436df2a3a6355ee90e7f3f7467c524 |
| Publication page | 69addab10fafbc2281195a8497ff751adfbe1a5808ad4fed80ff3a74edde0411 |
| Manifest | 2a1dbc8cca96a0f3f6b7c706b1b654f2465dd4e2963a51ebe14f2c113e034fa5 |
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 | eAW651KE0IuUbz4uBV3EolTkrcvTO4lHmHVs1N1Dk96a0SBWtPBlzu8MSNPPrPpElQXYKz5vNm+kEObPY2mqAQ== |
| 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
| 2026-09-17T08:20:31.271267Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028987observed 69addab10fafbc2281195a8497ff751a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:31.251077Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028987/manifest.jsonobserved 2a1dbc8cca96a0f3f6b7c706b1b654f2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:31.230009Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028987/publication.mdobserved c97174a64bb74c7a7984ea64c604b44e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:31.211101Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028987/publication.txtobserved a44ffa955b8590241b6db2c0599d8034...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. |
|---|