OpenTechnical

OT-2026-000083678

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000083678) never changes.

Identity and time

Publication numberOT-2026-000083678 · never reused
Internal UUID01a0ae98-0416-70d5-9b28-d5f9c710707d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083678
StatusPUBLIC

Content hashes

Canonical textd5eaca34dede7bb2bed9c9ba543c7a25475fb557aac6f61fb48101c5b246b2e1
Markdown57408cd79182b6b0efdb755622f64b70ae33154ac92bcf1d37a7f38964d99f5d
PDF
Publication pageb6709627d14c713212eb482cafb82bdf7fe61dc947dc26645b171e133a2de28b
Manifestb966999e7bdcd5515ebe2510234f8284cb2f763f260019c85350ddaf18442c5c

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
SignatureMMQ0EflrHwHZndygIrnAWHq4ePLtmNVMIjzQ32jVTg6l6yW06jdaYHs2awpZLs4fjbyDJbb2dBzRCcVBxBC0AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:18.133050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083678
observed b6709627d14c713212eb482cafb82bdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.116572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083678/manifest.json
observed b966999e7bdcd5515ebe2510234f8284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.099662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083678/publication.md
observed 57408cd79182b6b0efdb755622f64b70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.082912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083678/publication.txt
observed d5eaca34dede7bb2bed9c9ba543c7a25...
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.