OpenTechnical

OT-2026-000068572

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000068572) never changes.

Identity and time

Publication numberOT-2026-000068572 · never reused
Internal UUID01a0ae90-2482-7cec-8780-368d99fdb872 · 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-2026-000068572
StatusPUBLIC

Content hashes

Canonical text26b99923670313f0e234e00d0ee075390767f7d71b114031f467f51cd47abd1f
Markdown957794507b1e5bf142fd13c72885e91bac74ea7d4f63f2dc124b5f63aaea8079
PDF
Publication page2b56afe63e868cc8911cc345f32da2922a608780bee4d5d6e7babbdba9dd8dfa
Manifestda6e20d99e43d73e9b102f9c0353cbcaade315f0918ecd243419810256c69933

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
Signaturean2U9OPBcnKgKDERwK075lrn7ijBsN6oQYK8W3fPZzElPr1cYjSWl3mxeW/Ht9m5MntF78nL7XgGByrD6PrwBw==
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

2026-09-17T10:29:44.670945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068572
observed 2b56afe63e868cc8911cc345f32da292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:44.654877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068572/manifest.json
observed da6e20d99e43d73e9b102f9c0353cbca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:44.638150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068572/publication.md
observed 957794507b1e5bf142fd13c72885e91b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:44.619164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068572/publication.txt
observed 26b99923670313f0e234e00d0ee07539...
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.