OT-2026-000019879
Publication integrity record
Three cup vacuum gripper, three zone face, pump 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-2026-000019879) never changes.
Identity and time
| Publication number | OT-2026-000019879 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb6-74ec-a0a6-b4ddd51812b6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019879 |
| Status | PUBLIC |
Content hashes
| Canonical text | 21cdbeb8ae6bd525e8bd362b9c426f40536e272e188db507a785f319af4df2a9 |
|---|---|
| Markdown | 58016674a2ea478954a363e012a6d0ee1191fc846bae42e09c881d19c810488f |
| Publication page | e898bfc4d0bfba9c8ca0809ea909231499a9fe25b2f69ac408b40fbde283d087 |
| Manifest | ff184565433a5c7e7a3b4c3656dbf37528675dfbccdca9382a95ba13629d3a1b |
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 | 4Go7ZM/+Gw1J0JJUNB4gG27L32YBNOSNVYlFHpTq2M+O9AYs6/q/djuU6V3Q7ad1WDS80ZX3pJUDo7ikYVPVAg== |
| 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
| 2026-09-17T11:58:04.941879Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019879observed e898bfc4d0bfba9c8ca0809ea9092314...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:04.924266Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019879/manifest.jsonobserved ff184565433a5c7e7a3b4c3656dbf375...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:04.907328Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019879/publication.mdobserved 58016674a2ea478954a363e012a6d0ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:04.891038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019879/publication.txtobserved 21cdbeb8ae6bd525e8bd362b9c426f40...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. |
|---|