OpenTechnical

OT-2026-000077802

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented after 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-2026-000077802) never changes.

Identity and time

Publication numberOT-2026-000077802 · never reused
Internal UUID01a0ae95-2ed0-7597-a809-f07dcf5da2aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077802
StatusPUBLIC

Content hashes

Canonical textdddea5cbd7d2e6c04c49912b5c4b64e5ab233c6f7ae80b5af025fb0d5ddb5e48
Markdown5939d4c909c6bb4e0c6e700bf33392a1f4f81f5d9c7c02dec0eb75251445a34e
PDF
Publication page64f59aa855db30bdcb18da03551da46ec998cc7dddc6fb15ba98e87fe82e3c93
Manifestf241797b033f59d1fda034a58bf60b217802a6babe84f7193f2792a831aedd7e

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
Signatureg2sCfiwKKjMrVQxkCv1au66re7WPsH14FksiDiRhKO/uxbkocIxu+iCMDKomEdoCIZBufH3srbwNGe0OsokZDA==
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

2026-09-17T10:07:23.598105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077802
observed 64f59aa855db30bdcb18da03551da46e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.578187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077802/manifest.json
observed f241797b033f59d1fda034a58bf60b21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.558494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077802/publication.md
observed 5939d4c909c6bb4e0c6e700bf33392a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.539444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077802/publication.txt
observed dddea5cbd7d2e6c04c49912b5c4b64e5...
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.