OpenTechnical

OT-2026-000022199

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000022199) never changes.

Identity and time

Publication numberOT-2026-000022199 · never reused
Internal UUID01a0ae6f-f4fc-7ac2-b590-46a8b47f289f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022199
StatusPUBLIC

Content hashes

Canonical text5cb7444e3eaa2edf2363ac560b7de3364049d625cec91d47fec4195d05ae7c9d
Markdowndcdfadea438fe51d102180db92dd4130f7fbda83707060d40ee3da8b853c7d91
PDF
Publication page491b0f85088109812336a014f67793108ce45aa2cdb75bc3e4ac2fa0c82aef8e
Manifestbd9609b1f8a8931848f2af925f04bbda782d11f43ea19ee55e14af070234b37d

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
SignatureRMspvcskah+KLTj9UvZ9pydRiDhCtvRttldQBTcB/NjkvbG+rxId19P5oUDwWzyleJwCihO4P28r2DniCc4+CQ==
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

2026-09-17T11:52:53.106932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022199
observed 491b0f85088109812336a014f6779310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:53.089663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022199/manifest.json
observed bd9609b1f8a8931848f2af925f04bbda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:53.073444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022199/publication.md
observed dcdfadea438fe51d102180db92dd4130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:53.057919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022199/publication.txt
observed 5cb7444e3eaa2edf2363ac560b7de336...
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.