OpenTechnical

OT-2026-000015638

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000015638) never changes.

Identity and time

Publication numberOT-2026-000015638 · never reused
Internal UUID01a0ae6e-0c4b-7088-b3ce-9e8bb3c8715d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015638
StatusPUBLIC

Content hashes

Canonical textc7de2f251f3a72054521bcd7af49b15ae56ad504bfa8b72c0c177a1b4a9ee0f8
Markdown3f05e23ced9c8a1a496d13d07ab34369e5d70fcb5984317d6a9ddbcb45b768c4
PDF
Publication page3ffc8f2fd928ba3228ccdd8064dd931ac584e2f06d342b44d6608040022345a3
Manifest611a4f5ef3d4609a049857ac398b8edef7940ee7b67dc39e1b0697393653bb5e

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
SignaturenUN7MCRAAgFHFa3lUdkPwDGAauerk+RO6I/IDno/wkluXRXNfvy2iiJx/Je3c8jcM2bOiEe4Friyyng9LHFkBg==
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

2026-09-17T12:04:53.558890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015638
observed 3ffc8f2fd928ba3228ccdd8064dd931a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.540655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015638/manifest.json
observed 611a4f5ef3d4609a049857ac398b8ede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.521510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015638/publication.md
observed 3f05e23ced9c8a1a496d13d07ab34369...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.502902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015638/publication.txt
observed c7de2f251f3a72054521bcd7af49b15a...
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.