OT-2026-000047259
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000047259) never changes.
Identity and time
| Publication number | OT-2026-000047259 · never reused |
|---|---|
| Internal UUID | 01a0ae7f-3e56-7633-b892-ad53cf2489a7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:32:49.774666Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000047259 |
| Status | PUBLIC |
Content hashes
| Canonical text | d43c15416483937738e528df1212c5bcd13132d164c558583ab06533c357a4c8 |
|---|---|
| Markdown | dd105bdd919939e24746b15cefb6f19ddf3e24732fa19d69a773c046418cdd0a |
| Publication page | 663283b8e3a1d09bbbcff60e9d8888e6879cc95f06160f3784e5ddda5e75eaf1 |
| Manifest | 92576bdfd72494fb1f19d36d6cd7ddc117b8e8a621d64af0079e12cfacfdd553 |
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 | PhiA1ShBvGHMag1h0l3rPrLIzNDW2Fc3GEr1ggMUQ0HmXPd+mCAXqjTLRkGIGhll5yX7Dm+YFyOX7XW6iTOeAg== |
| 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
| 2026-10-26T04:41:59.235674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047259observed 663283b8e3a1d09bbbcff60e9d8888e6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T04:41:59.120353Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047259/manifest.jsonobserved 92576bdfd72494fb1f19d36d6cd7ddc1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T04:41:59.040441Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047259/publication.mdobserved dd105bdd919939e24746b15cefb6f19d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T04:41:58.956801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047259/publication.txtobserved d43c15416483937738e528df1212c5bc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T08:41:41.230618Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047259observed 663283b8e3a1d09bbbcff60e9d8888e6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T08:41:41.115874Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047259/manifest.jsonobserved 92576bdfd72494fb1f19d36d6cd7ddc1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T08:41:40.952830Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047259/publication.mdobserved dd105bdd919939e24746b15cefb6f19d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T08:41:40.797046Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047259/publication.txtobserved d43c15416483937738e528df1212c5bc...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 |
|---|