OpenTechnical

OT-2026-000006962

Publication integrity record

Vacuum cup gripper, six outlet manifold, pump fed, contact triggered on the face, silicone cups

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-2026-000006962) never changes.

Identity and time

Publication numberOT-2026-000006962 · never reused
Internal UUID01a0a96d-ca71-78d5-ace6-a90d6c09b10d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:55:39.892794Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006962
StatusPUBLIC

Content hashes

Canonical text08f089d59c4940c8a2b8f04bc798a36dc702b3ddbef5cefb77244b00c1ccd7c2
Markdown85fc02be224e9f64c63c43ca017c2574beee98179942a0a86901fdb54ca9fd78
PDF
Publication page564875e5203300be177eb650e16c94ebc2949b6ce84004f19d9702955ea4dd8c
Manifest6f00540ab512281f9c568d5a6c766b145b73e5e83574c06c92aecf31dede36d2

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
SignaturetSnrgT/G7bsXSTMCsQZcYO96DpJItzLunL6/3ykEC3M7FOV9e/OT1ubJXSxHfTV858EkcRCMLjt1gIq9f85lAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:17.377834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006962
observed 564875e5203300be177eb650e16c94eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:17.244584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006962/manifest.json
observed 6f00540ab512281f9c568d5a6c766b14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:17.231250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006962/publication.md
observed 85fc02be224e9f64c63c43ca017c2574...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:17.217552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006962/publication.txt
observed 08f089d59c4940c8a2b8f04bc798a36d...
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.