OpenTechnical

OT-2026-000032115

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000032115) never changes.

Identity and time

Publication numberOT-2026-000032115 · never reused
Internal UUID01a0ae74-f7a4-75b1-8035-7d7149371835 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032115
StatusPUBLIC

Content hashes

Canonical text57a161861364dc298c592677197c570f603deb413d6132870be7b52c4099a8ba
Markdownfcc436290b1fbe771c443e9d2404ad7159818ac0f0ead88b9fe5aaf1d0fb4e84
PDF
Publication page8a12861ad4482f41b84956539c5332408868f6f4b7ee69a1bdeb04ee34ed11cc
Manifest69450a615043617b24437893adef4b90df11beef2e5d7da350b2bcb64929a237

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
SignatureCJvB+JX5rWcOPM5CIAWVrtPhSP1B88prfjS05xTJPvMfF7ekrzxdMRDIQ8bfFXo1xtFaVPeo8P/evhXoGTt8Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:25.774932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032115
observed 8a12861ad4482f41b84956539c533240...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:25.758464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032115/manifest.json
observed 69450a615043617b24437893adef4b90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:25.739849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032115/publication.md
observed fcc436290b1fbe771c443e9d2404ad71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:25.722566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032115/publication.txt
observed 57a161861364dc298c592677197c570f...
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.