OpenTechnical

OT-2026-000040607

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000040607) never changes.

Identity and time

Publication numberOT-2026-000040607 · never reused
Internal UUID01a0ae79-6d0e-712a-9a76-8679a972dd99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040607
StatusPUBLIC

Content hashes

Canonical text6393d14952914ac99f274274882444704e5604b40d1863f434a980850c310e75
Markdown18f4b19ad6a29d1bc6cdbb2b849eb4a85dbf3bedcfdd6a3ea81f5e2685de644b
PDF
Publication page914f875f6ddcd96b63e2df0f7964ffb8cb4db626ddabe55f6a6590b30ba6dca0
Manifestbcba4d8fff455846e408a2ee1b19dd6c24e2ca5e75fd9f39524d3b45fd4c05e0

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
Signature2AaY4PHF+h3SENCINDKzF/rvrzsU39mXUc2dDY9F2icbOFDXjp6fIHW23IrdG6wrgKnnBSf2bzORtu6sL97VCQ==
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

2026-09-17T11:17:46.984798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040607
observed 914f875f6ddcd96b63e2df0f7964ffb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:46.967168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040607/manifest.json
observed bcba4d8fff455846e408a2ee1b19dd6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:46.946833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040607/publication.md
observed 18f4b19ad6a29d1bc6cdbb2b849eb4a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:46.927253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040607/publication.txt
observed 6393d14952914ac99f27427488244470...
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.