OpenTechnical

OT-2026-000071212

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000071212) never changes.

Identity and time

Publication numberOT-2026-000071212 · never reused
Internal UUID01a0ae91-e0ec-73c0-8886-82e598d82526 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071212
StatusPUBLIC

Content hashes

Canonical text0769148561589d3fd773cd0a892aba52104352febbc07f665a6978c4eb45d8a7
Markdown0eaa0e416faf46babd9c0ce85754fbd6758d463a01a05109a9acce35c9ec0d96
PDF
Publication page25ed52ce428092cebc7f427bd61fdb625abde67166619251245f73f6ff39ebe4
Manifestbb0980159504e30027caf674a239deaf4a90f2eae42bf600acb6d17fcddc365a

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
Signatureed5okNrhXtDl3TdL/571Qs4DREqk4GqiCP4QfZjfmzKUncrWqmutOSXkaA7HNbpnnf5o4z8DbpAMCvAHqhquCw==
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

2026-09-17T10:24:44.603525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071212
observed 25ed52ce428092cebc7f427bd61fdb62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:44.585314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071212/manifest.json
observed bb0980159504e30027caf674a239deaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:44.565788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071212/publication.md
observed 0eaa0e416faf46babd9c0ce85754fbd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:44.549007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071212/publication.txt
observed 0769148561589d3fd773cd0a892aba52...
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.