OpenTechnical

OT-2026-000035623

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000035623) never changes.

Identity and time

Publication numberOT-2026-000035623 · never reused
Internal UUID01a0ae76-b4c6-7c63-a39a-26a3ed3eb193 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035623
StatusPUBLIC

Content hashes

Canonical text9fd87c7b4c862db46fb69e4772a440f1af622e20386e0d4203b6b2ce144a1714
Markdown9d42e03bb7eed787d423706751a4fbfe045e921d2463ffe725de3dc833be56e9
PDF
Publication page0f27b861452c7fb2a15f8259401d3f54b78c93ced8d8dbcfce0610b96869cf8c
Manifest57514eca367679ff609dc9d0f2a5d1f3df0881fa28c8c8104d9e496de9d32413

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
SignaturerzF2+raeXFKZfkrKDGtmoOJGKXuul/njof9Ci4bffPsOeyOxuYW4RqmBMwDyubooc31UHb9WMuMD7k342diNAw==
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

2026-09-17T11:27:09.989313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035623
observed 0f27b861452c7fb2a15f8259401d3f54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:09.968291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035623/manifest.json
observed 57514eca367679ff609dc9d0f2a5d1f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:09.946449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035623/publication.md
observed 9d42e03bb7eed787d423706751a4fbfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:09.925788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035623/publication.txt
observed 9fd87c7b4c862db46fb69e4772a440f1...
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.