OpenTechnical

OT-2026-000075791

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum 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-2026-000075791) never changes.

Identity and time

Publication numberOT-2026-000075791 · never reused
Internal UUID01a0ae94-29fe-7041-8c28-f1e0392f7c2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075791
StatusPUBLIC

Content hashes

Canonical text2348f3ffb24b8ecb5c53f84d0c32f1c7212450f46c1d4858b8d0b0e77aef7720
Markdown77f1ff3325f2ae245f7ec65f9de39c9657e233c62df7a067e1dc9b8aab61d1c8
PDF
Publication page7c7bd430015d460c7844848afd4e60594e0905a1861e98a59d246a072f2cc3b6
Manifest03e3bf52d006ecc420bd8fe6d45ede02cf5a6c06351d986629601784a741516f

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
SignatureQs9KLgTzJBsvNOhReF9PrUPccrSYJUfSQtrbqUUnAveBgWRCtPrIf63DQrKMivXlVFFTJ8kGkkKp3VcCMIfVCg==
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

2026-09-17T10:14:15.547117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075791
observed 7c7bd430015d460c7844848afd4e6059...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:15.528181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075791/manifest.json
observed 03e3bf52d006ecc420bd8fe6d45ede02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:15.510396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075791/publication.md
observed 77f1ff3325f2ae245f7ec65f9de39c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:15.492897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075791/publication.txt
observed 2348f3ffb24b8ecb5c53f84d0c32f1c7...
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.