OpenTechnical

OT-2026-000072582

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000072582) never changes.

Identity and time

Publication numberOT-2026-000072582 · never reused
Internal UUID01a0ae92-89d8-718f-bc00-f26524646c9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072582
StatusPUBLIC

Content hashes

Canonical textda2946c7990d985035bad2910d6c7f15acce593de038f2888dc4047a6c7e80eb
Markdowndfc49dc9c1f759cd74712dac3aebc821a412b0b181f369513424d6367a0f0b88
PDF
Publication page9dbbac3b67e151f2eeead17af29d593bd90d651cdfedaabd51a307d968a64082
Manifest221e2417febdf416049c498996d01c2b3ee3543d390156b50c55fa6ca83da7f9

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
Signature2fZ+gi7te8RmkuPOnI+qxGtXtKohpTPPWhchsQfr85MUJGptkDk8ydqo9QZeyTqmbtolRYMcc48iaBg5ELz9AQ==
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

2026-09-17T10:22:25.462342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072582
observed 9dbbac3b67e151f2eeead17af29d593b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.445650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072582/manifest.json
observed 221e2417febdf416049c498996d01c2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.427341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072582/publication.md
observed dfc49dc9c1f759cd74712dac3aebc821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.409690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072582/publication.txt
observed da2946c7990d985035bad2910d6c7f15...
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.