OpenTechnical

OT-2026-000027838

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000027838) never changes.

Identity and time

Publication numberOT-2026-000027838 · never reused
Internal UUID01a0ae72-a4a5-7138-abc0-de6595fefd75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027838
StatusPUBLIC

Content hashes

Canonical text15c641e390fa6aee5cc23fbf4085bc711f51e6cded3eb62b90cc777723baf95e
Markdownea1cef6da197e3a87d3755d39eaef93671a8248cf917c6ac1abaf9ca32967cf6
PDF
Publication page776d350e87607414c91c9fc1e62462df3a00211efaae534c9a3a9475dccdaa56
Manifest364bf0281e5e8b3f15669a7b0ea6db6997108e7b03956804a31cadb29bc966f7

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
SignaturepkHUZ8laVoC/cE8kBJEMU9HBlBZrgOTQtg47wIyPpcOp2Y8oeHjeBMobBJL6Bt+FeNQa1Xn9ySDap4wSgpbtAw==
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

2026-09-17T11:41:53.645370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027838
observed 776d350e87607414c91c9fc1e62462df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:53.625922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027838/manifest.json
observed 364bf0281e5e8b3f15669a7b0ea6db69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:53.608321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027838/publication.md
observed ea1cef6da197e3a87d3755d39eaef936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:53.589520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027838/publication.txt
observed 15c641e390fa6aee5cc23fbf4085bc71...
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.