OpenTechnical

OT-2026-000037471

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump 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-2026-000037471) never changes.

Identity and time

Publication numberOT-2026-000037471 · never reused
Internal UUID01a0ae77-b8ce-742e-8cd9-7da496984054 · 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-2026-000037471
StatusPUBLIC

Content hashes

Canonical textfd6155d6c06afe84e0536a8efb66c5ea8af8f02ba308447db2cbb031839f560f
Markdown5bac04e5f7c7e7158005b40b6d95de23639d147dd3c62fc79d83d56c21eb3132
PDF
Publication page2a8a415ff94109b4344d5f9265fab4cc97b01fd4d811e5f739cafe6639246bd2
Manifestdc74fa70b9aa9a4e6ceba24ab7561ccbb1ab0b6bea629d1ac937afd0512025e9

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
SignatureoqB2MX/JajiiYHoctbLdxINhwWX9XV10w59vzHbtzwm27O4EUbLX4uTuTzdmld74bXdUDgmDr9P8jy0L6wHxBQ==
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

2026-09-17T11:23:54.639516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037471
observed 2a8a415ff94109b4344d5f9265fab4cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:54.621862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037471/manifest.json
observed dc74fa70b9aa9a4e6ceba24ab7561ccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:54.604585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037471/publication.md
observed 5bac04e5f7c7e7158005b40b6d95de23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:54.585836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037471/publication.txt
observed fd6155d6c06afe84e0536a8efb66c5ea...
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.