OpenTechnical

OT-2026-000034135

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, 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-2026-000034135) never changes.

Identity and time

Publication numberOT-2026-000034135 · never reused
Internal UUID01a0ae75-df0c-702a-bb0e-4c858fed0644 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034135
StatusPUBLIC

Content hashes

Canonical text90f6db153c75e4aa7135628b214cb7edcd4720b14d8263562bbfb6ae5fd30dd5
Markdown3eae6e76b10732f902c3011359a7ab10798359eeddd563ecc78c02591775aec8
PDF
Publication pagea5824b3451689b8d92f156266d34d234231a7c597dbbda50dd6ad4824367aade
Manifest6c0c96fe5118551586d2aa87049a9ee0e8bbb22aedc2553866ff94bdf336f3e1

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
SignatureDjDmrJ23rC8NEouYiDDRuQjWZMv5L/rlqYJKeQEoxQT4H0F+rbbxN2w/b15v95mn3qZ8nclW8ZCKDUfuL9p2Dg==
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

2026-09-17T11:30:31.793882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034135
observed a5824b3451689b8d92f156266d34d234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:31.775406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034135/manifest.json
observed 6c0c96fe5118551586d2aa87049a9ee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:31.757844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034135/publication.md
observed 3eae6e76b10732f902c3011359a7ab10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:31.739825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034135/publication.txt
observed 90f6db153c75e4aa7135628b214cb7ed...
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.