OpenTechnical

OT-2026-000089552

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000089552) never changes.

Identity and time

Publication numberOT-2026-000089552 · never reused
Internal UUID01a0ae9c-1a21-78a9-b333-96cf2df6574a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089552
StatusPUBLIC

Content hashes

Canonical text308c72fb6265e1eef975136ae625182730cab610c87ea3d65fc36dbba85816b4
Markdownfc5f2866217419b79e3d562c4ba6efccc473762b06a70f1e36959f5d772197b6
PDF
Publication page524a24c7c9f7416349fc5480e242594952f3517e7bf0a64611ab4240d8dba4fc
Manifest02a6daffe3da4f5241a1751a3ec92d867cde5bd9ab5945ee39add7afb10b0de3

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
SignaturesoTgAxL78FE2SnGiz6dZsQYUyWcJCBgV6LXUa7ERS/02zr7lCtl1PzI3LpaeonDS6/vQjHlzXCWw6xzSAjI+BQ==
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

2026-09-17T09:46:31.381927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089552
observed 524a24c7c9f7416349fc5480e2425949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:31.365242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089552/manifest.json
observed 02a6daffe3da4f5241a1751a3ec92d86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:31.347427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089552/publication.md
observed fc5f2866217419b79e3d562c4ba6efcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:31.329039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089552/publication.txt
observed 308c72fb6265e1eef975136ae6251827...
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.