OpenTechnical

OT-2026-000089190

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000089190) never changes.

Identity and time

Publication numberOT-2026-000089190 · never reused
Internal UUID01a0ae9b-db00-7000-baa8-abe8826e0433 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089190
StatusPUBLIC

Content hashes

Canonical textcfef0710a895f7546968bebc6b9417a370b5babc08785f6ce0c11f13e14ae0e7
Markdown0ac455c7b387bde21ca90ab91d127284910a454effd7884ad025f32623143a34
PDF
Publication page46ada25867f0fea39aaeab0990d4890334faa91e53b3b234819569a3630adc7a
Manifest310447181370563310359390061c45a8cb1d3eaf651b64546a3014bbe98c393c

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
Signature9qaXNQZ633xGrpvyG+TrAY58QCLZCHQASkvmmkcoAmM+k/9VER2v/UUCniQS2NsjFJ5vUfJ+bJ+kpKShBGWUCA==
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

2026-09-17T09:47:12.362784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089190
observed 46ada25867f0fea39aaeab0990d48903...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.346043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089190/manifest.json
observed 310447181370563310359390061c45a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.330395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089190/publication.md
observed 0ac455c7b387bde21ca90ab91d127284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.313011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089190/publication.txt
observed cfef0710a895f7546968bebc6b9417a3...
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.