OpenTechnical

OT-2026-000054854

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000054854) never changes.

Identity and time

Publication numberOT-2026-000054854 · never reused
Internal UUID01a0ae86-1285-7953-bc91-f8011cbb3f14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054854
StatusPUBLIC

Content hashes

Canonical textebbef57aa3c724e58625fed35180129aca388582458ed075c7c224f090508bf1
Markdown24403b36de38d652732c223e1d7fb158c55e525ef9c7ee6f43cb27b87688ae2c
PDF
Publication pagefb45477873dd2e689a3d1d57ad00ebba336c474f8e653acf0d7eff1e2e98573e
Manifestd8a71e69264085636b59f43cf9b2fd67e9793a96e83a060f196187d8f431dfb9

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
SignaturevoCDJQycGu42tCWexdjZvvKJquBwYUrX3UE51CfUu11HoutOyi04FyaBKYoJV+h5wUKLXa6OLk2lx0btDZqqBw==
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

2026-09-17T10:54:04.282205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054854
observed fb45477873dd2e689a3d1d57ad00ebba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:04.264150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054854/manifest.json
observed d8a71e69264085636b59f43cf9b2fd67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:04.246423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054854/publication.md
observed 24403b36de38d652732c223e1d7fb158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:04.228630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054854/publication.txt
observed ebbef57aa3c724e58625fed35180129a...
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.