OpenTechnical

OT-2026-000026805

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000026805) never changes.

Identity and time

Publication numberOT-2026-000026805 · never reused
Internal UUID01a0ae72-3451-7546-abac-c4d8c0cdfc8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026805
StatusPUBLIC

Content hashes

Canonical textdf93f2eceb0e8c0cfba35054fdbf7a1c6cf2e09453648e3ea2437aa89defeb1f
Markdowncf6fa59461e0bd68265c923c8d144b16a0c9225b57cb08f7e6a70c435f97f676
PDF
Publication paged4a6fdba185aca87ef28697a31e99513950d066480192e9edebfa4f1f9a97dbe
Manifestadb9041a76dfdf8956eef717a05916aca05fe9302ba83f70ef1cde8194418095

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
SignatureIt//fn4NMr/02kSVyggPuIH4KCv+PJUzQea/7DfV/F8JY00dtT2i/2IbDGpe23FrelhaQcBY1zDjA7xnkX43Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:23.063511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026805
observed d4a6fdba185aca87ef28697a31e99513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:23.045185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026805/manifest.json
observed adb9041a76dfdf8956eef717a05916ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:23.004681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026805/publication.md
observed cf6fa59461e0bd68265c923c8d144b16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:22.954229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026805/publication.txt
observed df93f2eceb0e8c0cfba35054fdbf7a1c...
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.