OpenTechnical

OT-2026-000067329

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000067329) never changes.

Identity and time

Publication numberOT-2026-000067329 · never reused
Internal UUID01a0ae8f-6bd7-775e-8690-274f0b617f54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067329
StatusPUBLIC

Content hashes

Canonical text56dbd1ced2f36006f5721067db91d95727697f8ca32ecfc2dd3420cfcb4a37e7
Markdown34537356efb2187e96e76d28b8cf1cb6318ffdd469dab9b491179c125b57792b
PDF
Publication pagef08444d21a2a4324c90bc342645ade64dd7081fe4cc5a9b5ac4574acb2697537
Manifest2b1eec38fba72df710371b247906dade93146403fa65bf158095d8164ff17be0

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
SignatureTgk1rj/w1wqXetMyDr4OZkFb759cGZ3JQBoFBB2MqIIivDY3Xk1pqDhKAFZDiBS8oSpN3UlLFJtL6I3FqPodDQ==
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

2026-09-17T10:31:30.682339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067329
observed f08444d21a2a4324c90bc342645ade64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:30.666088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067329/manifest.json
observed 2b1eec38fba72df710371b247906dade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:30.649811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067329/publication.md
observed 34537356efb2187e96e76d28b8cf1cb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:30.631973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067329/publication.txt
observed 56dbd1ced2f36006f5721067db91d957...
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.