OpenTechnical

OT-2026-000078189

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000078189) never changes.

Identity and time

Publication numberOT-2026-000078189 · never reused
Internal UUID01a0ae95-7c26-7e5a-849a-96b75c271cd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078189
StatusPUBLIC

Content hashes

Canonical text6b5fa3e042b21fe56ab116c34cde2f625a3d05f882b3fcaf9f1575c6ac6ba15c
Markdownf6c9aa43944ba5c4191be584f7318c5b74e73a2938f1dbba30f617e912242fd8
PDF
Publication pagee4badb46fd5e2a2969019a78e7802d7771b147a6771acceb317bbcf749d69736
Manifest4ff0b21356010bf4052c58f97b8876125fc92bad986ca83907a5b6c818335e2f

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
Signaturei6+/dYjINKu53rtMgGxsJxr2yFQirebQTX4OVnEixIiFIqydzB9Mh09Wvx3v8NioFt7t6dbwJ+wWlOXgcd5lDw==
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

2026-09-17T10:06:08.033196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078189
observed e4badb46fd5e2a2969019a78e7802d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:08.012116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078189/manifest.json
observed 4ff0b21356010bf4052c58f97b887612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:07.994459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078189/publication.md
observed f6c9aa43944ba5c4191be584f7318c5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:07.974260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078189/publication.txt
observed 6b5fa3e042b21fe56ab116c34cde2f62...
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.