OpenTechnical

OT-2026-000038634

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000038634) never changes.

Identity and time

Publication numberOT-2026-000038634 · never reused
Internal UUID01a0ae78-2d55-77e5-9fdf-52cb69b1385b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038634
StatusPUBLIC

Content hashes

Canonical text1a0080a254cb30960e59abb6766cc932caaa6481b634f027d5683e95342cd55d
Markdown6e335d0954ec99af71f7dd2bf778fec8b3dd86db73499b2807467ee94b690944
PDF
Publication page6f167e4e65cec45f9a8a028be92e4bedfb820d842d6b5448651f5ae5bdd1e464
Manifest5312962c0f8d23ea2ff29d3cdafdb821f827293d5617880bfd408c601587f8c0

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
SignatureYx6AJ8eLQkkdOBNi7BgE2iHrJbtRBK/cLqJ7jls3g2vD2VtLMIlx6bmhUfeQXbkexZT+noKyXnlNxLSTm3QQCw==
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

2026-09-17T11:22:55.412502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038634
observed 6f167e4e65cec45f9a8a028be92e4bed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.388718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038634/manifest.json
observed 5312962c0f8d23ea2ff29d3cdafdb821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.367932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038634/publication.md
observed 6e335d0954ec99af71f7dd2bf778fec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.343832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038634/publication.txt
observed 1a0080a254cb30960e59abb6766cc932...
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.