OpenTechnical

OT-2026-000068848

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000068848) never changes.

Identity and time

Publication numberOT-2026-000068848 · never reused
Internal UUID01a0ae90-6dcc-70f6-93b6-df2ab02474bb · 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-2026-000068848
StatusPUBLIC

Content hashes

Canonical textf3790946fd3d9bfb5165549cf17e4d9e18650bdf0d0cf713e4cf56025b2cf816
Markdown20f23c186d176537f960f2e9cfa78e850242d00c53baef1ac400d9569028db7c
PDF
Publication page8982641efae892c6a5563c05540a62fb154db8327606a86a153ee0e215150bae
Manifest46d99e5521c000ef187a1e5d3f59b58d5ecababc4bce47c1425b48c07be44887

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
SignatureQPZ87szjbpETEnbhMRBbWsOicUhbbMAwyXDPZA15ln+iCJMd85zaPudWdNnTSVySNaAYLktO4bRbnoc9YMd5Dg==
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

2026-09-17T10:28:39.559923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068848
observed 8982641efae892c6a5563c05540a62fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:39.544174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068848/manifest.json
observed 46d99e5521c000ef187a1e5d3f59b58d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:39.525937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068848/publication.md
observed 20f23c186d176537f960f2e9cfa78e85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:39.508101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068848/publication.txt
observed f3790946fd3d9bfb5165549cf17e4d9e...
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.