OT-2026-000004729
Publication integrity record
Porous face vacuum gripper, two zone face, three outlet manifold, ejector fed, contact triggered
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-2026-000004729) never changes.
Identity and time
| Publication number | OT-2026-000004729 · never reused |
|---|---|
| Internal UUID | 01a0a921-7b3f-789a-90b2-090ab0d57e69 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:32:18.882481Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004729 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9aaeeb0f7d9a07b0b0ae5170af7dee01cbdeb338e3e9fd4e149fb6068a572462 |
|---|---|
| Markdown | f402bb661e3cef90c86ad4de9bce999dfce9aa94a712b3bc831abe8ac83bd9b6 |
| Publication page | e04a430ba3b10efcf0c46fcf864443fe0e67e186cc61c88e7c249b65044c256a |
| Manifest | e41828dfe78f692608a9df978ff91b157d15bf7b850d3f2140e06d78cb06b452 |
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 | Wg7aEWKIRbvB7/PS3GSqc6MRUL+VXMoQ7rc4P1u6wQuIguaGa2BAHxRAVkE/UXzZ0fn4213PF89ub5FuZL3sBA== |
| 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
| 2026-09-16T07:40:25.164078Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004729observed e04a430ba3b10efcf0c46fcf864443fe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:25.150354Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004729/manifest.jsonobserved e41828dfe78f692608a9df978ff91b15...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:25.137319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004729/publication.mdobserved f402bb661e3cef90c86ad4de9bce999d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:25.122187Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004729/publication.txtobserved 9aaeeb0f7d9a07b0b0ae5170af7dee01...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. |
|---|