OpenTechnical

OT-2026-000037622

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000037622) never changes.

Identity and time

Publication numberOT-2026-000037622 · never reused
Internal UUID01a0ae77-b8cf-724a-b25a-02e18446cd75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037622
StatusPUBLIC

Content hashes

Canonical textd337cfa18b84f62f6f463b12a1c5ba3c389cb38b5876e6b2ca6ceedf15361471
Markdowna88382f3531bf8ce820dfc66249e81694f046ebf387800582f196d88097a090d
PDF
Publication pagecf06c4595d872b3fc91a00ce8231a9910d888be340721012cd3b2636c96212ba
Manifest28c423d0c73849fcf0f37a704b0ca0229360c509eaddc4d94a0775abd9a822b1

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
Signature5SeC42vsB8w/UQOMIRlNh1xEyij90HWa9tr9DUfA3pJiou/QVG+FIjMxUIXXAa2IOQs3kEc74f4X8z610LiTAw==
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

2026-09-17T11:24:11.015775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037622
observed cf06c4595d872b3fc91a00ce8231a991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:10.997885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037622/manifest.json
observed 28c423d0c73849fcf0f37a704b0ca022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:10.979832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037622/publication.md
observed a88382f3531bf8ce820dfc66249e8169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:10.960634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037622/publication.txt
observed d337cfa18b84f62f6f463b12a1c5ba3c...
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.