OpenTechnical

OT-2026-000068398

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000068398) never changes.

Identity and time

Publication numberOT-2026-000068398 · never reused
Internal UUID01a0ae90-2480-79cd-9c5d-371798f74b19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068398
StatusPUBLIC

Content hashes

Canonical text519ab9b502a23c04bdd92f9828c2d28b09df8860935881f7dcc73d13e6a6c51b
Markdown5e84ffc1f60b07ea97b8f0dc7baad68f84f19fb430cc7f06a67f6e2a039e2d51
PDF
Publication pagee49b79b1738048f19f26ce85e059edd77e2834c4a7236b6a44a222b53f8769e1
Manifestd27194e52f6f6700c6a4f0f2483ad8f82263614b3a9355e58d2e4c8d52e77b17

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
Signaturez9921IODyKEGWwPk/HUQn2yqrH6XmVZUPoyxaHWWrsw81VJE+G39waeLj0pdkTu1uQ4H0Kc9jOuYr5U72T11Ag==
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

2026-09-17T10:29:27.271751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068398
observed e49b79b1738048f19f26ce85e059edd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:27.252984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068398/manifest.json
observed d27194e52f6f6700c6a4f0f2483ad8f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:27.235500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068398/publication.md
observed 5e84ffc1f60b07ea97b8f0dc7baad68f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:27.216817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068398/publication.txt
observed 519ab9b502a23c04bdd92f9828c2d28b...
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.