OpenTechnical

OT-2026-000091330

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091330) never changes.

Identity and time

Publication numberOT-2026-000091330 · never reused
Internal UUID01a0ae9c-f16c-7b32-b1a8-16ba9a567629 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091330
StatusPUBLIC

Content hashes

Canonical textc2d5da1d26ef1b5817c6f315d1937b62fcd3adfb1aaa579c8b633ef337243f17
Markdown7a498815ca9f18a1eff6217a47f5d876a97cb1daedd2d73c9def7c8077edc848
PDF
Publication page660dae42fc485c6e2b78769bfcf6a25ee7b301f04c618e802286fed1285a0fca
Manifestf81924a7e08dba430d428c3347423c30305cd47a07174471b1474da462569dfb

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
Signatureo83KwOAR+5Qesa4y4Z66H5955p3b6fcB/FPBAdb4MfaPuWNXxoCSpC5adjKWy1fp4zlc4XFLq5DeoobZec6gAw==
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

2026-09-17T09:43:32.177623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091330
observed 660dae42fc485c6e2b78769bfcf6a25e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:32.158966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091330/manifest.json
observed f81924a7e08dba430d428c3347423c30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:32.139511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091330/publication.md
observed 7a498815ca9f18a1eff6217a47f5d876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:32.082079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091330/publication.txt
observed c2d5da1d26ef1b5817c6f315d1937b62...
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.