OpenTechnical

OT-2026-000091305

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, sustained 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-2026-000091305) never changes.

Identity and time

Publication numberOT-2026-000091305 · never reused
Internal UUID01a0ae9c-f16c-73f8-8953-702b795ac051 · 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-2026-000091305
StatusPUBLIC

Content hashes

Canonical textcffb4223aceba10bf33100bb926a89397ca4c6f5f7d55ad47f64c40a50381342
Markdownb82324db5e5b00ffe1df3446a1b13108a0ec45e1b63bebd615765e86ff1b5c9f
PDF
Publication page65a9634b754a5b0260cca4866844ceecb7df4b135f308378c42f20d481150594
Manifest65f5c44152f61a6076a9208f00dc7044445b3f04c6ce26c958e73be43de3fe86

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
SignatureckxvAap5BgGkZcsk4n2w9zfbama9DS4mqE8zEBy0skqL9/4LWig9YPdexDaeYuNNXNvAOya3UxPGT9puhAVdCQ==
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

2026-09-17T09:43:30.276706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091305
observed 65a9634b754a5b0260cca4866844ceec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.260485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091305/manifest.json
observed 65f5c44152f61a6076a9208f00dc7044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.242710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091305/publication.md
observed b82324db5e5b00ffe1df3446a1b13108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.225263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091305/publication.txt
observed cffb4223aceba10bf33100bb926a8939...
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.