OpenTechnical

OT-2026-000039181

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000039181) never changes.

Identity and time

Publication numberOT-2026-000039181 · never reused
Internal UUID01a0ae78-9673-736b-8b2d-cab34eb04f89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039181
StatusPUBLIC

Content hashes

Canonical textd5404602215ecfef9b49fc84a8da0d69e80048bd38bcd810c7a96bf4afcaf763
Markdownd9df200c26177411082813f1c2c0deb3859a1badb0bcadd427e5f2328ca00f04
PDF
Publication page07105f98c961c90f2efa5716a9bce72cd680c3f4db6ff24712cf110f6f9b9cd9
Manifestcbcbd4fe06807547be14ddadc7dea6cccf29017dd16e665add1c74814e91becc

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
SignaturefhPPa79z0GbwVaRnNndT48w6x/FdwOUIuiYkKiScI7tK0LIJ86qKPFASdZgv9zjIbq8ETbT+YdvIIlJzumg9Aw==
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

2026-09-17T11:20:42.543828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039181
observed 07105f98c961c90f2efa5716a9bce72c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:42.526227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039181/manifest.json
observed cbcbd4fe06807547be14ddadc7dea6cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:42.507682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039181/publication.md
observed d9df200c26177411082813f1c2c0deb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:42.489290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039181/publication.txt
observed d5404602215ecfef9b49fc84a8da0d69...
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.