OT-2026-000004776
Publication integrity record
Porous face vacuum gripper, three zone face, three outlet manifold, pump fed, pressure verified
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-2026-000004776) never changes.
Identity and time
| Publication number | OT-2026-000004776 · never reused |
|---|---|
| Internal UUID | 01a0a922-ff5c-716f-ab7b-6cb34e55a22c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:33:58.238760Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004776 |
| Status | PUBLIC |
Content hashes
| Canonical text | 111fec254d821aab2a5fbfba0622da12893bcb8a0068988ba830d863a8b361d9 |
|---|---|
| Markdown | f6359fcc88584d49e55effbc0e316a9ae94ba41a8c19fa68f743a867431b374d |
| Publication page | 89765055c543160f8f9462295c8741b78da39ae5aaef2aa7d0edcf31f58c96a6 |
| Manifest | b3ae029c0647cba1e293352c4d8c914e92765d24ebe3b27d40abf13c97338a15 |
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 | 5rYRbefEx/9UfLjP3md5a4bUdz8FBREmxQ7+1AQV0UtQuWcQgAQJ05HeI25hqUcm5IaX/R/lOyDJ+nRzsjEbDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:20.190564Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004776observed 89765055c543160f8f9462295c8741b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:20.176280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004776/manifest.jsonobserved b3ae029c0647cba1e293352c4d8c914e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:20.162032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004776/publication.mdobserved f6359fcc88584d49e55effbc0e316a9a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:20.147913Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004776/publication.txtobserved 111fec254d821aab2a5fbfba0622da12...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. |
|---|