OpenTechnical

OT-2026-000068428

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, vented after set-down, on a tool changer

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-2026-000068428) never changes.

Identity and time

Publication numberOT-2026-000068428 · never reused
Internal UUID01a0ae90-2481-70ed-9b1d-515e452f8c7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068428
StatusPUBLIC

Content hashes

Canonical text75943a9d371e97d4faee99b5d8bc3e41230ffed51f5c0772546c883f8e352093
Markdown703ae4cbbc0415c13ab58d6bef9b43b0978da1efcc5ef50280167c162f28d6d6
PDF
Publication pagef1b1dcf7b0fb4976695a07670d027d93a4857eab29cfe41853c3550e7338d636
Manifest59711dbc92d5c2876f83f5e3c69e6118cb77e54b036c1dff8665f1d89aaa54d9

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
SignatureIyE7p0Fwqxbt3zzWAKbx4duEmWjJD4QicBxcQJdlor5T97gdwXAv8VSooRRpsp9HKZVtrGq/TXoEw6MMZe2MAA==
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

2026-09-17T10:29:34.178129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068428
observed f1b1dcf7b0fb4976695a07670d027d93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:34.159615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068428/manifest.json
observed 59711dbc92d5c2876f83f5e3c69e6118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:34.142685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068428/publication.md
observed 703ae4cbbc0415c13ab58d6bef9b43b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:34.125135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068428/publication.txt
observed 75943a9d371e97d4faee99b5d8bc3e41...
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.