OpenTechnical

OT-2026-000072882

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000072882) never changes.

Identity and time

Publication numberOT-2026-000072882 · never reused
Internal UUID01a0ae92-89db-765c-94bd-3f530ebe63e7 · 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-2026-000072882
StatusPUBLIC

Content hashes

Canonical texteaaeeae71b55c207d8c4f7cddd5625d8ccf805c33f96aa82d14aa9b1ac800ffc
Markdown37ce1b44ae6d4343a766920c4547b74c01547f630919e66bee048f1737d8dc2e
PDF
Publication pagedccabc38bd7aa835ec1be46188f49001feee8d2bc93761bf8335ca5506acf54f
Manifeste14283d11fa8efe2ffe9ea18ea485bd60d890be0c531b43f89198574702efb03

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
SignatureQc5lOfdnSapQGrMEbdCMwj/iMujXkExWBh0Yd3D5PuU298xoVmX6UF0/PcgulYPOJNfgr/3y7lQ1WdB/Xv5XDg==
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

2026-09-17T10:22:48.637169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072882
observed dccabc38bd7aa835ec1be46188f49001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:48.618194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072882/manifest.json
observed e14283d11fa8efe2ffe9ea18ea485bd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:48.600553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072882/publication.md
observed 37ce1b44ae6d4343a766920c4547b74c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:48.583890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072882/publication.txt
observed eaaeeae71b55c207d8c4f7cddd5625d8...
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.