OT-2026-000006719
Publication integrity record
Porous face vacuum gripper, two zone face, two stage ejector, contact triggered, closed cell
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-2026-000006719) never changes.
Identity and time
| Publication number | OT-2026-000006719 · never reused |
|---|---|
| Internal UUID | 01a0a965-0c72-7025-b57e-66a8816aa312 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:46:06.964906Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006719 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1a99f14dd0d0d3e76254c7eefba336700dc1314c86d727ca4ed79d40057ed061 |
|---|---|
| Markdown | 509f13a0cc15f6d2b71fc3440fd168c72e5080645844addfc12f509b598c3a03 |
| Publication page | aa1d9ddfb64ad96d82914fd995fad2dedc23b2fcdc65fd1540222e054bb2c530 |
| Manifest | f0da2f8d43a1b7f2df6a288c8993a96c2e5e85d60e898c0307dcbd3daaeaee75 |
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 | zKdCzMNV4OwRTjSH+miCxgy2rRKMqg9IgODJw5VFqs/bsTl9lZ8OmHeLIPXqdwnPHfot6bs/Ms2D4g1ukIT/Aw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:50:13.721453Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006719observed aa1d9ddfb64ad96d82914fd995fad2de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:50:13.708124Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006719/manifest.jsonobserved f0da2f8d43a1b7f2df6a288c8993a96c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:13.694643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006719/publication.mdobserved 509f13a0cc15f6d2b71fc3440fd168c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:13.682348Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006719/publication.txtobserved 1a99f14dd0d0d3e76254c7eefba33670...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. |
|---|