OpenTechnical

OT-2026-000055643

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line 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-2026-000055643) never changes.

Identity and time

Publication numberOT-2026-000055643 · never reused
Internal UUID01a0ae86-a103-7747-9a3a-5c106b830434 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055643
StatusPUBLIC

Content hashes

Canonical textf19adb6b9b795a416b13fae0bea662acde28887b5275f38be709184fcfddbab9
Markdown5bf295f839348cf56d06a6e818a2ee45bc17b3830a4fd73b96265d6286a8d474
PDF
Publication pagedd22d291f6019d84bcac7f555b475446396269879e0292bfed20f7a88f386549
Manifest131fc74da68f5d0e2c93dd45bf39d00f894a95b248fa375e714b2ccec0c5cd29

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
SignaturegAULmngoq3i84GQtVSSm3HtH5wVw9iCvj2VsOUQJw4hjGupivp6C/iKF8z3dfjhVaQePStSx16H26zddyNAcCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:53.818294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055643
observed dd22d291f6019d84bcac7f555b475446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:53.801593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055643/manifest.json
observed 131fc74da68f5d0e2c93dd45bf39d00f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:53.782223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055643/publication.md
observed 5bf295f839348cf56d06a6e818a2ee45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:53.763560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055643/publication.txt
observed f19adb6b9b795a416b13fae0bea662ac...
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.