OpenTechnical

OT-2026-000084417

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, sustained 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-2026-000084417) never changes.

Identity and time

Publication numberOT-2026-000084417 · never reused
Internal UUID01a0ae98-5b62-7a2e-8ea9-f68adb46e5d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084417
StatusPUBLIC

Content hashes

Canonical text6c2c621b4f44d6fe4deb707c0763965f2e828a04e1898511d028891fdd6ae3b4
Markdown54133e1d3c7506bffdad847b5adc4b178eab4eb40c943810a90a9eebeab8b55c
PDF
Publication page65326713f499f621ec9c64d905e7a8d806122f37ad9aa5fe100f67154400e51a
Manifest4fccd9a92f467852d2ae685c5cae1f0644b7c32ed78adc817401a302027529b7

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
Signaturen9WPMq5XB4xpaDiiI6x1cMynjBizUjzr3uzrDZmN7yIuVXDSfXAjRmbnZtTS39zUygI7irUDHjv6bSHeamZxCg==
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

2026-09-17T09:56:21.977788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084417
observed 65326713f499f621ec9c64d905e7a8d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.959818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084417/manifest.json
observed 4fccd9a92f467852d2ae685c5cae1f06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.942764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084417/publication.md
observed 54133e1d3c7506bffdad847b5adc4b17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.923377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084417/publication.txt
observed 6c2c621b4f44d6fe4deb707c0763965f...
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.