OpenTechnical

OT-2026-000011686

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, 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-2026-000011686) never changes.

Identity and time

Publication numberOT-2026-000011686 · never reused
Internal UUID01a0ae6d-1940-7433-bdea-9593b2459ae4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011686
StatusPUBLIC

Content hashes

Canonical text5a74863d160fbda269f46041d133c6afc81561edb3cf85bbdf70a29b9646e8db
Markdown8ed466706a2869e7d2735add767b33c8ea1bc57cd245097a6d8851f0cf2765e8
PDF
Publication page1a0e5025261059c77f5b4aef2d4a1743d873cb01fe26baa428dc9ee5b0aab1e6
Manifest70f444d69ea96fdc74793b71c147eafd7e4beff9639c9d6fd5d88d2a3edaa122

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
SignaturetBNInssy9DtlKdIV1IaQOnadPQPW1txIYnWvobLqDIz4BiEcmyN2UfIJVKLSwxOn7AazbOmkYEuWacYLqRrdDw==
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

2026-09-17T12:12:17.187846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011686
observed 1a0e5025261059c77f5b4aef2d4a1743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:17.166777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011686/manifest.json
observed 70f444d69ea96fdc74793b71c147eafd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:17.146955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011686/publication.md
observed 8ed466706a2869e7d2735add767b33c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:17.127698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011686/publication.txt
observed 5a74863d160fbda269f46041d133c6af...
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.