OpenTechnical

OT-2026-000017196

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000017196) never changes.

Identity and time

Publication numberOT-2026-000017196 · never reused
Internal UUID01a0ae6e-76c7-72a8-8ffe-75a88c782794 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017196
StatusPUBLIC

Content hashes

Canonical textb513c812831cac66cd04c35290d211911c9065cf9229b8db269eeb17714824e1
Markdown023f37c186ddff6fe311f5e8b4d206beee31dc0742fb0c42dedf83b49cf45810
PDF
Publication pagef3f0715da804eb2a3d2df708a204a7601190999b9301ecb31d62ae97ccb04cfe
Manifest96904ac45c87a57cc26ff6a217e8dbcc44859f3b4120532c66058e3cf21a770f

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
SignatureE/zzhUD6ycV/vTktPEzNTd+z4ENatKr5dfz5gt5efsLsxpA0Vd4mIEiJy7wnYC5izcAiVc1HzFTuRJlkJAcWCQ==
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

2026-09-17T12:02:16.147837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017196
observed f3f0715da804eb2a3d2df708a204a760...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:16.131633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017196/manifest.json
observed 96904ac45c87a57cc26ff6a217e8dbcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:16.114799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017196/publication.md
observed 023f37c186ddff6fe311f5e8b4d206be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:16.098881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017196/publication.txt
observed b513c812831cac66cd04c35290d21191...
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.