OpenTechnical

OT-2026-000084217

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, sustained blow-off before 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-2026-000084217) never changes.

Identity and time

Publication numberOT-2026-000084217 · never reused
Internal UUID01a0ae98-5b60-7bf0-a079-3a0a4434f520 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084217
StatusPUBLIC

Content hashes

Canonical text4b074e9967c6b6327c5d1d819640bd0c5d6e49b1384341c3276e625293780880
Markdownc540e4751c16232d7cff05b2fe2f1189915e64d3c85cdeea1a79d981cd2e9a24
PDF
Publication page43ffbad7dc090555a5aaa1f70ad6545e142f2a1eedd2fa30e93e0085876f9725
Manifest768982dc9ee60624dfcab0fbcd04d8e24bcdfcb76474821b618f1d7180caf258

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
SignatureBHkudG/CRvzdH6eFsigJXkCs7qTIh9pcA2+y8Y3VqGInuSJ9C8S1oEzL1F1y+Z+qapu9+DMVAUKLF5B8M3hYDQ==
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

2026-09-17T09:56:00.314706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084217
observed 43ffbad7dc090555a5aaa1f70ad6545e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:00.296749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084217/manifest.json
observed 768982dc9ee60624dfcab0fbcd04d8e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:00.279334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084217/publication.md
observed c540e4751c16232d7cff05b2fe2f1189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:00.262537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084217/publication.txt
observed 4b074e9967c6b6327c5d1d819640bd0c...
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.