OpenTechnical

OT-2026-000063784

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after set-down

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-2026-000063784) never changes.

Identity and time

Publication numberOT-2026-000063784 · never reused
Internal UUID01a0ae8c-f947-70f5-88e3-a8d2ac4ed639 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063784
StatusPUBLIC

Content hashes

Canonical textbda520b3a9b0c1c6b9884c4ed262b125aaf19e6590b50f5c431b635d0fab372b
Markdown43d4f702814589c1343ec58125512494c2494936df6ac1d56d595f9987c05371
PDF
Publication page93b668d1c17cca28f6221a47a4468b9cd40166c184c26143ca28c936530e6e3f
Manifest300723273355209909d86a9e48689f22252c9e9b5f56dd2d660813df125cf4d2

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
Signaturebe/NcH4mhiWfNzL5wXQSNjC7dxP7p4WobP5HUtn/8LWiLFCXm9PyQYHio7BfTk6ze+o14Rnw+gbjpkOwvXfdBg==
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

2026-09-17T10:40:04.491117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063784
observed 93b668d1c17cca28f6221a47a4468b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:04.471398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063784/manifest.json
observed 300723273355209909d86a9e48689f22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:04.449596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063784/publication.md
observed 43d4f702814589c1343ec58125512494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:04.429767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063784/publication.txt
observed bda520b3a9b0c1c6b9884c4ed262b125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:27.664862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063784
observed 93b668d1c17cca28f6221a47a4468b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:27.648276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063784/manifest.json
observed 300723273355209909d86a9e48689f22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:27.631364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063784/publication.md
observed 43d4f702814589c1343ec58125512494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:27.612387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063784/publication.txt
observed bda520b3a9b0c1c6b9884c4ed262b125...
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.