OpenTechnical

OT-2026-000009340

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000009340) never changes.

Identity and time

Publication numberOT-2026-000009340 · never reused
Internal UUID01a0ae6b-7561-76c9-a0b4-586b094dbe19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009340
StatusPUBLIC

Content hashes

Canonical texta2f748346978b5115d8a8ec177c84e4651a0455f24b46e6df49a6d843f65799c
Markdown69999193b288ad4b79f5af102f27047a6b2017b0c382b3d6117a6e50fb30b99c
PDF
Publication page5c85643c9da1e262f884dc69013fe65c0e9b3c4e1d76396b89843d3234aee77a
Manifestf16b282db95035d555e98e24ff57320491c1dff99dbaed83ca49ecbc02d300cb

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
Signature27DNUGbObA2iU9bR2j6qrU82mP+YbpoQyUW/l7GxkJRfSH09vCffAZNRQ2iKVOgUfV1+1r4Uuk6XlrSYbjuuBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:35.993812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009340
observed 5c85643c9da1e262f884dc69013fe65c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:35.975859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009340/manifest.json
observed f16b282db95035d555e98e24ff573204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:35.956659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009340/publication.md
observed 69999193b288ad4b79f5af102f27047a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:35.937948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009340/publication.txt
observed a2f748346978b5115d8a8ec177c84e46...
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.