OpenTechnical

OT-2026-000099776

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, 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-2026-000099776) never changes.

Identity and time

Publication numberOT-2026-000099776 · never reused
Internal UUID01a0aea2-c977-7cb5-9a8f-dd7b3b1e646c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099776
StatusPUBLIC

Content hashes

Canonical text41d89a99511221f0827dab92dfa8b7a6dc394213abe69230fea3aef7e72de1dc
Markdown8cf0a4dff2f3af24596182412b04cdab32b0f3697715966a79ed4ddb7379bfa7
PDF
Publication pagea5973b7ec4bb79f0794eb65155f6b3d22c65916592c52c9e8fbb791fc72df90b
Manifestfa78362c25a1c2afc1c5ab9bfa23b230ca95848b17f0635dc0fb2b44d2f5e472

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
Signature4WMxBfZPrt5bULq041lm0t/dBmMl3Oa03u43YmkBnCLl2wnG1TQTS1k1xZNRBS33cP3fdxHg9sjeV36me0ZEAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:48.647820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099776
observed a5973b7ec4bb79f0794eb65155f6b3d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.630640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099776/manifest.json
observed fa78362c25a1c2afc1c5ab9bfa23b230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.613518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099776/publication.md
observed 8cf0a4dff2f3af24596182412b04cdab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.596236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099776/publication.txt
observed 41d89a99511221f0827dab92dfa8b7a6...
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.