OpenTechnical

OT-2026-000063294

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented after 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-2026-000063294) never changes.

Identity and time

Publication numberOT-2026-000063294 · never reused
Internal UUID01a0ae8c-94ac-7ccf-95d1-21d6d917f858 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063294
StatusPUBLIC

Content hashes

Canonical textb4dfe502b6833e6d05a6f67b665312fd0892bcb49e736a8c0648af303a9a3b30
Markdownb7f44fa3821eec00ff39891e6b01a47b0e0ec6366816174843dc081b87da67d9
PDF
Publication page6d7480583f0014e09a2d454396e3eafa7441d9cb724319895c18ff5e8da08bf8
Manifest2ca333279e0a6540b68e471daff86a3c88eda72cf63bc82f4d350369b85bf320

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
Signature7LT305NDaO2snTb1X5OMrF4pq36HCMjYi8Y+YTNk6P8xkPKhAzWAp6Vn32Xx2OhbIxxRrOREPu5Mz6C/XzUODw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:11.356952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063294
observed 6d7480583f0014e09a2d454396e3eafa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:11.338553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063294/manifest.json
observed 2ca333279e0a6540b68e471daff86a3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:11.320034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063294/publication.md
observed b7f44fa3821eec00ff39891e6b01a47b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:11.302557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063294/publication.txt
observed b4dfe502b6833e6d05a6f67b665312fd...
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.