OpenTechnical

OT-2026-000078252

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000078252) never changes.

Identity and time

Publication numberOT-2026-000078252 · never reused
Internal UUID01a0ae95-7c27-7ede-a671-790f3008ee91 · 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-2026-000078252
StatusPUBLIC

Content hashes

Canonical textda701aff840c49a8db6b29e6fce59682d850ba9944a4923c6416989e511ec9e2
Markdown4f022c01296f11fe271a935f7b6cecc2309fb926ab6dec823036af14bcd42c66
PDF
Publication page706e3b3efbdb666fc2112bbe8721066932b5c1f60f55611fa04470130ec83f4d
Manifestafe18929c8dc16c9538751d0a3524908d219728e3ff8e850e8bdeddae441cace

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
Signaturen+fFlgCCMg5YHYTWaHztpmTXCOc0co+JsHU5VawiOGs/2u3n+R38cDBtMhd8YfKrfNck1sbUzkuLYszlhcT3AA==
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

2026-09-17T10:06:12.482918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078252
observed 706e3b3efbdb666fc2112bbe87210669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.465719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078252/manifest.json
observed afe18929c8dc16c9538751d0a3524908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.446589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078252/publication.md
observed 4f022c01296f11fe271a935f7b6cecc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.430104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078252/publication.txt
observed da701aff840c49a8db6b29e6fce59682...
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.