OpenTechnical

OT-2026-000079401

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, sustained 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-2026-000079401) never changes.

Identity and time

Publication numberOT-2026-000079401 · never reused
Internal UUID01a0ae96-0b91-7a93-9853-63e61a441857 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079401
StatusPUBLIC

Content hashes

Canonical text8952616c5f7d368e78ab5dd67c26d0105ad2384d62a48dcb9f01826ca90a687c
Markdown81b8c20ff45543ecae9acbbc5065e2208155ada4ef07ba1ef83748e5a2e907fa
PDF
Publication page386d016264d7b21a28790c9e7c5ecf6b8e89da368bffd0634bf14eef92f3e362
Manifest7795df2043caa9accc15a57a1a8ae3b81e58ba97e116ea05308e105064b42138

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
Signaturet0Toh++CGgf8gq//gxgmg54BUnwJP8quw2klrYMXAo8kI4jy8vH73YZ9SyFNoWPYbaOs19CM/Y3dvJCs6WPqAQ==
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

2026-09-17T10:05:01.445771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079401
observed 386d016264d7b21a28790c9e7c5ecf6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:01.425623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079401/manifest.json
observed 7795df2043caa9accc15a57a1a8ae3b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:01.407558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079401/publication.md
observed 81b8c20ff45543ecae9acbbc5065e220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:01.388043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079401/publication.txt
observed 8952616c5f7d368e78ab5dd67c26d010...
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.