OT-2026-000004905
Publication integrity record
Porous face vacuum gripper, two zone face, four outlet manifold, three 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-2026-000004905) never changes.
Identity and time
| Publication number | OT-2026-000004905 · never reused |
|---|---|
| Internal UUID | 01a0a927-52d1-7162-af9f-ed3558f75dca · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:38:41.748902Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004905 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3f053b0b4d6acaaa6109fc8eace142fb50083efe19201afe0cb9907f1e8ef10a |
|---|---|
| Markdown | 19c3c6f70877f617b3c71f2aab49431b13562c274fab87b984c0385c31ffdb99 |
| Publication page | 42d41f085e91d377ffb7da7738aea74234353c1a25981a4eed2d6d71cb0ae533 |
| Manifest | 77cea57db1da2018762575c3396eda14112fe297532c810fde51b0ba420fab9c |
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 | asMdGWCdgM8iwiBdqqkjwmwRpBksl0Txmuk8jqRAnNd65GMtBHCIi52taaxorfvXFVhc1FEilYQAw/3KdV9UBg== |
| 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
| 2026-10-30T20:41:37.412347Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004905observed 42d41f085e91d377ffb7da7738aea742...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T20:41:37.367664Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004905/manifest.jsonobserved 77cea57db1da2018762575c3396eda14...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T20:41:37.258650Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004905/publication.mdobserved 19c3c6f70877f617b3c71f2aab49431b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T20:41:37.146749Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004905/publication.txtobserved 3f053b0b4d6acaaa6109fc8eace142fb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:06.241691Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004905observed 42d41f085e91d377ffb7da7738aea742...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:06.228850Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004905/manifest.jsonobserved 77cea57db1da2018762575c3396eda14...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:06.214898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004905/publication.mdobserved 19c3c6f70877f617b3c71f2aab49431b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:06.201912Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004905/publication.txtobserved 3f053b0b4d6acaaa6109fc8eace142fb...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|