OpenTechnical

OT-2026-000025490

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000025490) never changes.

Identity and time

Publication numberOT-2026-000025490 · never reused
Internal UUID01a0ae71-5fa8-7091-ad80-411054dabee2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025490
StatusPUBLIC

Content hashes

Canonical text640b682feecd44450a904bfc1586ff6194f05ef0b9d3188916ea44034f47fac6
Markdown9ef9e216d143595ab16a5fb6afe27f67f174ea0fabf6d7dc80594642f741c4b3
PDF
Publication pageb81ca7b49faacff987d7738212690c382c8ec14adf5f3df17efa32756a991880
Manifestc272f57725f57e124b25674e0e1cf22ad7ca13f70dbaecd00cb6ba4a71720dd5

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
SignatureIIC5w8LspqYRE+qeyjUpyZf+vRMK645g0ARNZ+c7ZE2eiGg5Ai90zh7oLTukGITi4cF4wfhONFJq+zBs4KwgAg==
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

2026-09-17T11:47:35.032392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025490
observed b81ca7b49faacff987d7738212690c38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:35.015462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025490/manifest.json
observed c272f57725f57e124b25674e0e1cf22a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:34.996220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025490/publication.md
observed 9ef9e216d143595ab16a5fb6afe27f67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:34.976850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025490/publication.txt
observed 640b682feecd44450a904bfc1586ff61...
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.