OpenTechnical

OT-2026-000076729

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000076729) never changes.

Identity and time

Publication numberOT-2026-000076729 · never reused
Internal UUID01a0ae94-b06f-7801-b6a4-6f38b6636ac2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076729
StatusPUBLIC

Content hashes

Canonical textb1f80ce17ecf8c19029745572671205a50073b1ffa71fc2abf2caaff218bfb5b
Markdown07e870e45ede80dcb71840cd4e069d47adbf9f2941082bb6f18606baa8e378d8
PDF
Publication page7129795df2a14c4ec58264dea7e16a92e97784efec6e611ab4e236de7e1f1cd1
Manifest8611fd5a46ded7f55d80633ecdf288b64380ba265adf2f87734f0514394fbc20

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
SignatureHEG9hilNfEzc5BCcaZtS6tq15uEtyvYAulzO8I5X7yEvDn4Xa7GBbdxF7rhgoyP7O/kRPUyu5Xc/YanC7K08Bg==
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

2026-09-17T10:09:30.816053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076729
observed 7129795df2a14c4ec58264dea7e16a92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:30.796902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076729/manifest.json
observed 8611fd5a46ded7f55d80633ecdf288b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:30.733596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076729/publication.md
observed 07e870e45ede80dcb71840cd4e069d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:30.716045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076729/publication.txt
observed b1f80ce17ecf8c19029745572671205a...
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.