OpenTechnical

OT-2026-000042135

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold 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-2026-000042135) never changes.

Identity and time

Publication numberOT-2026-000042135 · never reused
Internal UUID01a0ae7a-5d71-7e81-af95-d490d4577c31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042135
StatusPUBLIC

Content hashes

Canonical text7d990d703c32599e1fe42059dd8b0e0f663a0723110fdfa8060d4ab7223cf465
Markdowndac333c840699074fa4188a5f48120cc990f250a535fa52dfe0bc000f8a400b1
PDF
Publication page448d720d6b5ba78168dbc681dacd34ce639a7022ebce36a2bf281181a18da52d
Manifest1cc92d161e475a6e57c5439bdf09a8754d2cb3127812657d6435dfb74e29773d

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
SignatureuGWHd4d65sTUyJ1ZOb689cssiN+lPeLLx+leLZvMz/uMq3Y+qONavEstTzwiUHYr4jMLqapYRX88W6g6/1F7DQ==
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

2026-09-17T11:15:40.984241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042135
observed 448d720d6b5ba78168dbc681dacd34ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:40.962510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042135/manifest.json
observed 1cc92d161e475a6e57c5439bdf09a875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:40.942050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042135/publication.md
observed dac333c840699074fa4188a5f48120cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:40.922710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042135/publication.txt
observed 7d990d703c32599e1fe42059dd8b0e0f...
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.