OT-2026-000004626
Publication integrity record
Porous face vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000004626) never changes.
Identity and time
| Publication number | OT-2026-000004626 · never reused |
|---|---|
| Internal UUID | 01a0a91e-1f1f-7983-9904-8342085b283d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:28:38.689712Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004626 |
| Status | PUBLIC |
Content hashes
| Canonical text | c3b75676d47397151e8ebc25f9a81528461dcc65b07c48d767e01532ba08ed50 |
|---|---|
| Markdown | 3f7434b6b937e14e09ff2f1f4daaa39fdb2e8190301328913a72d639945904b9 |
| Publication page | 848eb835b2d043128c57dd9646f3d89bb778f65c6eaa66e836c9ff6466b8db4a |
| Manifest | 9c7120443368165bd4e996d9328b11060106403a24615190d0c45614f0fb8e75 |
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 | DtrYn5gs47kydIYN0X3gIR3G+l4es/E6ZU+GUyT9WtMur0zcPSYUCaefqeXSeXzuz7NxNF+ApgYkdVMQEX2vDA== |
| 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
| 2026-09-16T07:30:07.669888Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004626observed 848eb835b2d043128c57dd9646f3d89b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:07.658043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004626/manifest.jsonobserved 9c7120443368165bd4e996d9328b1106...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:07.643053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004626/publication.mdobserved 3f7434b6b937e14e09ff2f1f4daaa39f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:07.629493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004626/publication.txtobserved c3b75676d47397151e8ebc25f9a81528...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. |
|---|