OpenTechnical

OT-2026-000003805

Publication integrity record

Porous face vacuum gripper, four zone face, four outlet manifold, pump fed

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-2026-000003805) never changes.

Identity and time

Publication numberOT-2026-000003805 · never reused
Internal UUID01a0a90b-1ca1-77cc-aeed-eb46517c59dc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:52.873179Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003805
StatusPUBLIC

Content hashes

Canonical text5dbfa895563f53374185b917583e888afb794d98c798cf0a03c2de6e0cc323af
Markdowne20c65f10b1039e18941bc2f3f69f83198b245b7e5ee02b914a55312db530d60
PDF
Publication page75dbaa26b47d181be47ec707cd3e097d9ddc927021d268675cc4c8d688d776b2
Manifest0ed4dd30cf0a479568578116e603fbd2d74fc7261fc2cab57036b9f5afce0417

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
SignatureWFKDdHugFZXFrh2jyzQOemXeLRQOJRgKNZ/zbclOEBG5a9mI0PZ1r1OH0hYcj9kcjA/iq1/YfL9qkq0T0XglBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:19.304330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003805
observed 75dbaa26b47d181be47ec707cd3e097d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:19.290566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003805/manifest.json
observed 0ed4dd30cf0a479568578116e603fbd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:19.275682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003805/publication.md
observed e20c65f10b1039e18941bc2f3f69f831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:19.261020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003805/publication.txt
observed 5dbfa895563f53374185b917583e888a...
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.