OpenTechnical

OT-2026-000084555

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, sustained 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-2026-000084555) never changes.

Identity and time

Publication numberOT-2026-000084555 · never reused
Internal UUID01a0ae98-e25a-7d2a-b4df-d7f9543c62e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084555
StatusPUBLIC

Content hashes

Canonical text78108813c0cef32e73694e35e111905c32a20029e256235ee522bf6ba13e8c7e
Markdowna47c51e39897be62f3b71d5f5994345b186fa4d435078ff4e8abd9baa8c79fb3
PDF
Publication page611fc232613e5ec7b590c2516f234b216d7052aa2318d81387e76f17199b7217
Manifeste8b596dd599e74288878d150c89312be3fa6f11beb2d27a41a87cfc657274d18

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
SignatureaMWgackhtMg0E03PMOFcBZqH0k5i36vc9uwc8BmeKDUZBJg7qhlelnz7qae8XhyD/XqwhzF/9YSbfJPrkC4YBQ==
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

2026-09-17T09:55:26.888388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084555
observed 611fc232613e5ec7b590c2516f234b21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:26.871645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084555/manifest.json
observed e8b596dd599e74288878d150c89312be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:26.853294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084555/publication.md
observed a47c51e39897be62f3b71d5f5994345b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:26.836288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084555/publication.txt
observed 78108813c0cef32e73694e35e111905c...
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.