OpenTechnical

OT-2026-000089766

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089766) never changes.

Identity and time

Publication numberOT-2026-000089766 · never reused
Internal UUID01a0ae9c-1a22-744b-91da-c93f2a1bfda4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089766
StatusPUBLIC

Content hashes

Canonical textc2fe2569c213a18b55397cfcfa07b9875f03a66ee2b9af6a719cb79785fec4a8
Markdownfab9dbd6a6afccd05afa7b1c46da9db416b98ad20704b66bfb7b657c347c3b82
PDF
Publication page499dd5b64757cb984293228ca435b4d13db823195f501badb79b8e8edf720c2e
Manifestcc5d61114a9925abb8a44b7709b29cfb66089c7b419da58ee1ae25e50deedf44

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
SignatureL4aYP9djWbo4+UVSH0PBYA1GI1FtoZ3D3nc6zkTMstUGwL4upSCWFZ8oynrqhhH7jLOYMFeHjKHfwyAW+Gp/AA==
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

2026-09-17T09:46:51.196770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089766
observed 499dd5b64757cb984293228ca435b4d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.180172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089766/manifest.json
observed cc5d61114a9925abb8a44b7709b29cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.162837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089766/publication.md
observed fab9dbd6a6afccd05afa7b1c46da9db4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.146200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089766/publication.txt
observed c2fe2569c213a18b55397cfcfa07b987...
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.