OpenTechnical

OT-2026-000045323

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, pressure sensor per zone, 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-2026-000045323) never changes.

Identity and time

Publication numberOT-2026-000045323 · never reused
Internal UUID01a0ae7c-f76b-7e5c-a9fb-e23b8c839f99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045323
StatusPUBLIC

Content hashes

Canonical textc5d9b97b9a5d9d5a84f262d3cbc03ad0aad0589c36bd45a4996fe94bd488d594
Markdownc1cffb34f19c06c2cf207e0eccacf6cdad6654ca91fb0f9a099ce9f9bdf9ee26
PDF
Publication page2c27f99ae8a61c672570e5ec6575ca51b64ba21d811c144b0e69eac8e40f382a
Manifest609b30b9728afb057ec4cafe93d5206bfff41a4b2708e9ff7869c187c42bbb90

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
SignatureL3I0luMc8ZAZRyM6htIhDuq4ox/qnsilxDSxIjzieVyadBWA19GQ/SSq/kHYwjXX32fnwq3KE1B9m54nPL0kBA==
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

2026-09-17T11:10:34.595322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045323
observed 2c27f99ae8a61c672570e5ec6575ca51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.575005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045323/manifest.json
observed 609b30b9728afb057ec4cafe93d5206b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.556613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045323/publication.md
observed c1cffb34f19c06c2cf207e0eccacf6cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.538325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045323/publication.txt
observed c5d9b97b9a5d9d5a84f262d3cbc03ad0...
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.