OpenTechnical

OT-2026-000089438

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089438) never changes.

Identity and time

Publication numberOT-2026-000089438 · never reused
Internal UUID01a0ae9b-db02-751a-9c4b-df449a8da6ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089438
StatusPUBLIC

Content hashes

Canonical texte06a2c4fef45cfccee14c61fc0e58f9dad035ceaf7733dad8efd0eced5fb6926
Markdown66e5643b3f769dade66367760328e9327cfe88beaeea47cfc952c77926af1828
PDF
Publication page82de6cd8bbfac389c6d6eb0d0a0b5969a57ac0892170c35fb4024766f565c6b0
Manifest9d31a461587068dbecc088a7f4b2f91ca54920d98a94d84d9e755cc48682709e

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
SignatureqDMpgyUIGGzg5lscTZ52sE1Jc6baLzxLrgRq9JG1wJQUnUMFXuy18VV2qsJsWeb0qaEHiAYWNIWMODAL1/vgBg==
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

2026-09-17T09:47:35.064769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089438
observed 82de6cd8bbfac389c6d6eb0d0a0b5969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.048384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089438/manifest.json
observed 9d31a461587068dbecc088a7f4b2f91c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.030218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089438/publication.md
observed 66e5643b3f769dade66367760328e932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.013325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089438/publication.txt
observed e06a2c4fef45cfccee14c61fc0e58f9d...
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.