OT-2026-000042075
Publication integrity record
Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer
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-2026-000042075) never changes.
Identity and time
| Publication number | OT-2026-000042075 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d71-7330-aa62-0ac4fe8a4de2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042075 |
| Status | PUBLIC |
Content hashes
| Canonical text | a3fe4d4f81941eca80d6e9227c6f03f75794199fdb6b016ab6eb3e32091e1497 |
|---|---|
| Markdown | ed88bc38ad627f4ae7588c6e73439671e1ab0d3d7d76d4b7bdfe8bcac76407a7 |
| Publication page | 6ef913d0c6b5091d9308201fcd32723f4a77d9b0a0d1336c1e6586d30ecc7ae5 |
| Manifest | 114791f84967526d5bd9ccb44367da7681bca47e1d48e11d7cad75d249948b43 |
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 | /xnQqfFAnSNu5uASV/MLFDNAgQ2Tb40NUoh8z0UM8/8/OnjhkWsCjw56EnkpkBVlP6De3VbHdSAU2+ZabC16Ag== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-21T08:42:12.222348Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042075observed 6ef913d0c6b5091d9308201fcd32723f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-21T08:42:12.149546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042075/manifest.jsonobserved 114791f84967526d5bd9ccb44367da76...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T08:42:12.078192Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042075/publication.mdobserved ed88bc38ad627f4ae7588c6e73439671...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T08:42:11.967465Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042075/publication.txtobserved a3fe4d4f81941eca80d6e9227c6f03f7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T20:41:27.499908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042075observed 6ef913d0c6b5091d9308201fcd32723f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T20:41:27.408014Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042075/manifest.jsonobserved 114791f84967526d5bd9ccb44367da76...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T20:41:27.310493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042075/publication.mdobserved ed88bc38ad627f4ae7588c6e73439671...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T20:41:27.202529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042075/publication.txtobserved a3fe4d4f81941eca80d6e9227c6f03f7...fetched by grabo-systems from 34.44.131.203, 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 |
|---|