OpenTechnical

OT-2026-000047183

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000047183) never changes.

Identity and time

Publication numberOT-2026-000047183 · never reused
Internal UUID01a0ae7e-d0f9-7762-a40d-2e36e3c9829b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047183
StatusPUBLIC

Content hashes

Canonical textb35419e8aec00fe410d5c78082a6013e34b39cc4b396ed75dbf87d95064549d6
Markdown8198497aca75dc7715c4b7a2d1cc2f5fd22e534bf52e31eacaef3517679f8927
PDF
Publication page58a3275f87dbbda8fa0542e911bad24ca301b508095aed7f59faca88ec7f9867
Manifest6a1007e5741c37c22f101e9bfb9d4cf474e45faa36c2991c71cc630ed411de0a

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature+VL0yl9Aa6DgRerjRvkXK90DqXHHyid8kf3LZbD4PflSG+dQlDIVy9EoM0Q8oeLn7p+MtwDKUAEru1Da1zxUCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:33.400759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047183
observed 58a3275f87dbbda8fa0542e911bad24c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.377791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047183/manifest.json
observed 6a1007e5741c37c22f101e9bfb9d4cf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.357720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047183/publication.md
observed 8198497aca75dc7715c4b7a2d1cc2f5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.337476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047183/publication.txt
observed b35419e8aec00fe410d5c78082a6013e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:00.342207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047183
observed 58a3275f87dbbda8fa0542e911bad24c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:00.323084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047183/manifest.json
observed 6a1007e5741c37c22f101e9bfb9d4cf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:00.304049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047183/publication.md
observed 8198497aca75dc7715c4b7a2d1cc2f5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:00.285417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047183/publication.txt
observed b35419e8aec00fe410d5c78082a6013e...
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 archivePending 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 packagePending Custody packages are produced weekly.