OpenTechnical

OT-2026-000066707

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000066707) never changes.

Identity and time

Publication numberOT-2026-000066707 · never reused
Internal UUID01a0ae8e-ce42-79a7-882c-0088e9a720f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066707
StatusPUBLIC

Content hashes

Canonical text2fc928ffd314c0f9720886ba2ea7c49c370e09d221a8fc23d9fcdb788f856dcf
Markdown2230fc4195d7eeda3f5b6ff16fb945b40caeb3eacbf7f0f0951d7e0be2323671
PDF
Publication page915828b50f891743a2434220bb8db26fc3fe824a2dcdcc544cd2777b7ac27a11
Manifest6f5ed0f9cd7a6012e2ad75364282e5d8116e7df89d57987657567aab5ccfdefd

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
SignatureYK7idglEO6Ad/dqtUccB3bRVMVxB6cGR0t4MUGuheIl3pke65Oqb9TDM4NnE7YVMlIbkSsD5aemzTX7QPgZFAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:06.552421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066707
observed 915828b50f891743a2434220bb8db26f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:06.533699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066707/manifest.json
observed 6f5ed0f9cd7a6012e2ad75364282e5d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:06.513964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066707/publication.md
observed 2230fc4195d7eeda3f5b6ff16fb945b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:06.496818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066707/publication.txt
observed 2fc928ffd314c0f9720886ba2ea7c49c...
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.