OpenTechnical

OT-2026-000078288

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, vented after 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-2026-000078288) never changes.

Identity and time

Publication numberOT-2026-000078288 · never reused
Internal UUID01a0ae95-7c27-7cfe-8c4a-47f659036ab6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078288
StatusPUBLIC

Content hashes

Canonical text9c81aa292edc2a8e8d8e5360edd6fd7f8e64fa55770f7edbb89f9dd10d83c1c6
Markdown749a763306da0d184852ef3319c3142704baf99c70c0c38a2e78b2f001023c26
PDF
Publication page865cc935967708912658ecbc09601be967254cb1f9c69fbf220d9a631e171540
Manifest504a4cf9a2b82579783b65bfab2831712a53e739680760911f2eea4891414cdf

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
SignaturedndMsxnishjahQKCT14XJQRh2KPGjuwvG62t+WH1Q7P1Jxs7yuIa8c2imkXeT2ubiqkoo7pjuzwscU8khHFNBw==
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

2026-09-17T10:06:01.394757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078288
observed 865cc935967708912658ecbc09601be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:01.376880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078288/manifest.json
observed 504a4cf9a2b82579783b65bfab283171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:01.359764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078288/publication.md
observed 749a763306da0d184852ef3319c31427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:01.340554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078288/publication.txt
observed 9c81aa292edc2a8e8d8e5360edd6fd7f...
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.