OpenTechnical

OT-2026-000069117

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000069117) never changes.

Identity and time

Publication numberOT-2026-000069117 · never reused
Internal UUID01a0ae90-6dce-78f9-a516-da0b12810567 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069117
StatusPUBLIC

Content hashes

Canonical text52d6b75c1c3e36394e3983df315caf14197c47474c615df924a99e5f6ffb1350
Markdown0e88ee8f8ea203c04c4ca2368325c890ed3f6cf9ae467aae6b6df486ed67565d
PDF
Publication pageaa70166c7c3b4c57eebd6c677d7af50e7406ad53c810688bea41df2fce1e87fd
Manifest6b141a38b570acf4749c6336966a7690c03f37f734299f4dba146ecc9c37cb1b

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
SignatureZF5IyA5Ba99khdCctIxTjhSCrtOZC3k/ROdGFTrd9F3dJzjPaE/IFiB8NpeCgd6j0ZjnY5d+dsDd7nBidLFUAw==
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

2026-09-17T10:28:59.678870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069117
observed aa70166c7c3b4c57eebd6c677d7af50e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.662239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069117/manifest.json
observed 6b141a38b570acf4749c6336966a7690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.644796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069117/publication.md
observed 0e88ee8f8ea203c04c4ca2368325c890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.625856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069117/publication.txt
observed 52d6b75c1c3e36394e3983df315caf14...
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.