OpenTechnical

OT-2026-000035569

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold 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-2026-000035569) never changes.

Identity and time

Publication numberOT-2026-000035569 · never reused
Internal UUID01a0ae76-b4c5-7477-9e20-9f0c7262fd4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035569
StatusPUBLIC

Content hashes

Canonical textf612a82310f824d9a956f2b4f7037e9a816b92cfaba631b7626ca99fe18256c5
Markdown80c0db5a82c00a9a8ae2b058a9286f022990b4b947c24e1caf37cdd2b52340f3
PDF
Publication page1ee5472687103229681175c0ba8036de4bf9ae338f8ca802c75f4c6ac5e3ef5c
Manifest48e2af995051f955747bcf9c337c68c28211fb2ed34309754b01e72707f8e886

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
SignatureKaMReenkPH9IGHp5NSAiMDF+p5Zc1YPbOTlmbMCyt8ycjbNNSZB9tUVpR2u3HNslfew8Of8uAxg9puJq8oFIBA==
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

2026-09-17T11:27:05.377580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035569
observed 1ee5472687103229681175c0ba8036de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:05.360896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035569/manifest.json
observed 48e2af995051f955747bcf9c337c68c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:05.344395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035569/publication.md
observed 80c0db5a82c00a9a8ae2b058a9286f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:05.327037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035569/publication.txt
observed f612a82310f824d9a956f2b4f7037e9a...
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.