OpenTechnical

OT-2026-000078555

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000078555) never changes.

Identity and time

Publication numberOT-2026-000078555 · never reused
Internal UUID01a0ae95-7c29-7918-921d-3377d48a3322 · 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-2026-000078555
StatusPUBLIC

Content hashes

Canonical text9db9087adaaef0474937deefc2e0f3c8e68a5ae8fd9df8c8ad0922078b59c99c
Markdownb08c85f5bb3a387fbe2a7c45f4344c39e66d928c947d2ea4e4e489da0b280c99
PDF
Publication paged59b1bcfbecd628997ab4e24a0720288052cd5511d42fbd478926faaae229376
Manifestdc40d3dfd74e68ba5dde6b517e5bf44a18d117f02a34e2562581707284655711

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
Signaturex1wAapkAdDYavN+TEv0Z4ZJtrJcG7djbyFOoq401783wQsaypWxigTVvMqZ9B7pxJPpm9KpHp9TkiKb13Xs8AA==
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

2026-09-17T10:06:34.651182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078555
observed d59b1bcfbecd628997ab4e24a0720288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.632566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078555/manifest.json
observed dc40d3dfd74e68ba5dde6b517e5bf44a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.611879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078555/publication.md
observed b08c85f5bb3a387fbe2a7c45f4344c39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.590763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078555/publication.txt
observed 9db9087adaaef0474937deefc2e0f3c8...
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.