OpenTechnical

OT-2026-000090596

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000090596) never changes.

Identity and time

Publication numberOT-2026-000090596 · never reused
Internal UUID01a0ae9c-7f2f-7784-ad37-4467c0eb9fa9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090596
StatusPUBLIC

Content hashes

Canonical textce87014da933dd758326c6fbcce77acd54f3532cda58c026107cb768abc71248
Markdown0a47f401a9f31133cbef8a5f210cb6da58b23784245b2cfd8da785cebea8ab9b
PDF
Publication page5470af26a19af4f009fa3ba0c95b80aaacc7701d31980049de2c3bb939d35611
Manifestd256a570b219bd498469c9ecd71d57ee3165d065c5483317d8ec9b688a629e6f

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
SignaturehzPEoAff8oYFOCdviQXFrqtXi5PEGJkqx9QmIDdpn8wk/tua/aaN5oVJRsrg68n5EOaXiWZJvdwW8yjFb6cdAA==
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

2026-09-17T09:44:46.239955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090596
observed 5470af26a19af4f009fa3ba0c95b80aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.223646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090596/manifest.json
observed d256a570b219bd498469c9ecd71d57ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.206534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090596/publication.md
observed 0a47f401a9f31133cbef8a5f210cb6da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.189623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090596/publication.txt
observed ce87014da933dd758326c6fbcce77acd...
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.