OT-2026-000004017
Publication integrity record
Porous face vacuum gripper, four zone face, common isolation valve, ejector fed
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-2026-000004017) never changes.
Identity and time
| Publication number | OT-2026-000004017 · never reused |
|---|---|
| Internal UUID | 01a0a90c-cc0a-78c3-9eeb-6eb9ae215b0c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:43.308549Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004017 |
| Status | PUBLIC |
Content hashes
| Canonical text | f828b3a24dfe03e75d4a99311a55750b5e373d7accff8f93f98a9be78a0bd00a |
|---|---|
| Markdown | 1462c5ea6f56c70e4e8fa15111b39974d7fe5420dc99e05865d4c0bfff2ba8f7 |
| Publication page | cb625fff7f442ce884e1611ec7e52367bc9028a2d8407f138d02710834900901 |
| Manifest | 78c0b9c6a7ddda9d648120d05d8aa75d21fa99c739bd6df7f7de7d95ca8d78d6 |
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 | L+PsdygmLuvQtIJyNHNtVjhwU6I03Nra1YYNPy5zqe1a/WhuWVQBrVm0SjsTL0obBqiJWqUnsDRsKnSnpDvHBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:10:06.043030Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004017observed cb625fff7f442ce884e1611ec7e52367...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:06.018252Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004017/manifest.jsonobserved 78c0b9c6a7ddda9d648120d05d8aa75d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:06.002566Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004017/publication.mdobserved 1462c5ea6f56c70e4e8fa15111b39974...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:05.984877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004017/publication.txtobserved f828b3a24dfe03e75d4a99311a55750b...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. |
|---|