OpenTechnical

OT-2026-000033857

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000033857) never changes.

Identity and time

Publication numberOT-2026-000033857 · never reused
Internal UUID01a0ae75-a391-7cab-a8d1-f10a0005aa75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033857
StatusPUBLIC

Content hashes

Canonical textbd9346035feee50f9f8ba5d25eaf40175def545cf85c6d01378918eb36787efe
Markdown7bf9cd8b5026a67affb235643cc394a93e1f55a0a5d22423db69ecad67628af6
PDF
Publication page7f1fecf14bf14d3d47666b332e30ae5137caceba9dbc34754fec6c9523a38940
Manifestb9b9120a0c51bb1179eea883a7323aaf332a8ed3d24f7456a7fe2fdff490b2dd

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
SignaturemUZze9qA1zI+3dorBoYbx1nChRVXDhyViaNyzyYdXtEIyjfqKpt227jF2dY7vQmRKQ8LN8ufNsAHGHl5f6DPBg==
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

2026-09-17T11:31:55.082459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033857
observed 7f1fecf14bf14d3d47666b332e30ae51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:55.064702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033857/manifest.json
observed b9b9120a0c51bb1179eea883a7323aaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:55.048019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033857/publication.md
observed 7bf9cd8b5026a67affb235643cc394a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:55.031709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033857/publication.txt
observed bd9346035feee50f9f8ba5d25eaf4017...
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.